1 2#line 3 "slc-lex.c" 3 4#define YY_INT_ALIGNED short int 5 6/* A lexical scanner generated by flex */ 7 8#define FLEX_SCANNER 9#define YY_FLEX_MAJOR_VERSION 2 10#define YY_FLEX_MINOR_VERSION 5 11#define YY_FLEX_SUBMINOR_VERSION 35 12#if YY_FLEX_SUBMINOR_VERSION > 0 13#define FLEX_BETA 14#endif 15 16/* First, we deal with platform-specific or compiler-specific issues. */ 17 18/* begin standard C headers. */ 19#include <stdio.h> 20#include <string.h> 21#include <errno.h> 22#include <stdlib.h> 23 24/* end standard C headers. */ 25 26/* flex integer type definitions */ 27 28#ifndef FLEXINT_H 29#define FLEXINT_H 30 31/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ 32 33#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L 34 35/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, 36 * if you want the limit (max/min) macros for int types. 37 */ 38#ifndef __STDC_LIMIT_MACROS 39#define __STDC_LIMIT_MACROS 1 40#endif 41 42#include <inttypes.h> 43typedef int8_t flex_int8_t; 44typedef uint8_t flex_uint8_t; 45typedef int16_t flex_int16_t; 46typedef uint16_t flex_uint16_t; 47typedef int32_t flex_int32_t; 48typedef uint32_t flex_uint32_t; 49#else 50typedef signed char flex_int8_t; 51typedef short int flex_int16_t; 52typedef int flex_int32_t; 53typedef unsigned char flex_uint8_t; 54typedef unsigned short int flex_uint16_t; 55typedef unsigned int flex_uint32_t; 56#endif /* ! C99 */ 57 58/* Limits of integral types. */ 59#ifndef INT8_MIN 60#define INT8_MIN (-128) 61#endif 62#ifndef INT16_MIN 63#define INT16_MIN (-32767-1) 64#endif 65#ifndef INT32_MIN 66#define INT32_MIN (-2147483647-1) 67#endif 68#ifndef INT8_MAX 69#define INT8_MAX (127) 70#endif 71#ifndef INT16_MAX 72#define INT16_MAX (32767) 73#endif 74#ifndef INT32_MAX 75#define INT32_MAX (2147483647) 76#endif 77#ifndef UINT8_MAX 78#define UINT8_MAX (255U) 79#endif 80#ifndef UINT16_MAX 81#define UINT16_MAX (65535U) 82#endif 83#ifndef UINT32_MAX 84#define UINT32_MAX (4294967295U) 85#endif 86 87#endif /* ! FLEXINT_H */ 88 89#ifdef __cplusplus 90 91/* The "const" storage-class-modifier is valid. */ 92#define YY_USE_CONST 93 94#else /* ! __cplusplus */ 95 96/* C99 requires __STDC__ to be defined as 1. */ 97#if defined (__STDC__) 98 99#define YY_USE_CONST 100 101#endif /* defined (__STDC__) */ 102#endif /* ! __cplusplus */ 103 104#ifdef YY_USE_CONST 105#define yyconst const 106#else 107#define yyconst 108#endif 109 110/* Returned upon end-of-file. */ 111#define YY_NULL 0 112 113/* Promotes a possibly negative, possibly signed char to an unsigned 114 * integer for use as an array index. If the signed char is negative, 115 * we want to instead treat it as an 8-bit unsigned char, hence the 116 * double cast. 117 */ 118#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) 119 120/* Enter a start condition. This macro really ought to take a parameter, 121 * but we do it the disgusting crufty way forced on us by the ()-less 122 * definition of BEGIN. 123 */ 124#define BEGIN (yy_start) = 1 + 2 * 125 126/* Translate the current start state into a value that can be later handed 127 * to BEGIN to return to the state. The YYSTATE alias is for lex 128 * compatibility. 129 */ 130#define YY_START (((yy_start) - 1) / 2) 131#define YYSTATE YY_START 132 133/* Action number for EOF rule of a given start state. */ 134#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) 135 136/* Special action meaning "start processing a new file". */ 137#define YY_NEW_FILE yyrestart(yyin ) 138 139#define YY_END_OF_BUFFER_CHAR 0 140 141/* Size of default input buffer. */ 142#ifndef YY_BUF_SIZE 143#define YY_BUF_SIZE 16384 144#endif 145 146/* The state buf must be large enough to hold one state per character in the main buffer. 147 */ 148#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) 149 150#ifndef YY_TYPEDEF_YY_BUFFER_STATE 151#define YY_TYPEDEF_YY_BUFFER_STATE 152typedef struct yy_buffer_state *YY_BUFFER_STATE; 153#endif 154 155#ifndef YY_TYPEDEF_YY_SIZE_T 156#define YY_TYPEDEF_YY_SIZE_T 157typedef size_t yy_size_t; 158#endif 159 160extern yy_size_t yyleng; 161 162extern FILE *yyin, *yyout; 163 164#define EOB_ACT_CONTINUE_SCAN 0 165#define EOB_ACT_END_OF_FILE 1 166#define EOB_ACT_LAST_MATCH 2 167 168 #define YY_LESS_LINENO(n) 169 170/* Return all but the first "n" matched characters back to the input stream. */ 171#define yyless(n) \ 172 do \ 173 { \ 174 /* Undo effects of setting up yytext. */ \ 175 int yyless_macro_arg = (n); \ 176 YY_LESS_LINENO(yyless_macro_arg);\ 177 *yy_cp = (yy_hold_char); \ 178 YY_RESTORE_YY_MORE_OFFSET \ 179 (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ 180 YY_DO_BEFORE_ACTION; /* set up yytext again */ \ 181 } \ 182 while ( 0 ) 183 184#define unput(c) yyunput( c, (yytext_ptr) ) 185 186#ifndef YY_STRUCT_YY_BUFFER_STATE 187#define YY_STRUCT_YY_BUFFER_STATE 188struct yy_buffer_state 189 { 190 FILE *yy_input_file; 191 192 char *yy_ch_buf; /* input buffer */ 193 char *yy_buf_pos; /* current position in input buffer */ 194 195 /* Size of input buffer in bytes, not including room for EOB 196 * characters. 197 */ 198 yy_size_t yy_buf_size; 199 200 /* Number of characters read into yy_ch_buf, not including EOB 201 * characters. 202 */ 203 yy_size_t yy_n_chars; 204 205 /* Whether we "own" the buffer - i.e., we know we created it, 206 * and can realloc() it to grow it, and should free() it to 207 * delete it. 208 */ 209 int yy_is_our_buffer; 210 211 /* Whether this is an "interactive" input source; if so, and 212 * if we're using stdio for input, then we want to use getc() 213 * instead of fread(), to make sure we stop fetching input after 214 * each newline. 215 */ 216 int yy_is_interactive; 217 218 /* Whether we're considered to be at the beginning of a line. 219 * If so, '^' rules will be active on the next match, otherwise 220 * not. 221 */ 222 int yy_at_bol; 223 224 int yy_bs_lineno; /**< The line count. */ 225 int yy_bs_column; /**< The column count. */ 226 227 /* Whether to try to fill the input buffer when we reach the 228 * end of it. 229 */ 230 int yy_fill_buffer; 231 232 int yy_buffer_status; 233 234#define YY_BUFFER_NEW 0 235#define YY_BUFFER_NORMAL 1 236 /* When an EOF's been seen but there's still some text to process 237 * then we mark the buffer as YY_EOF_PENDING, to indicate that we 238 * shouldn't try reading from the input source any more. We might 239 * still have a bunch of tokens to match, though, because of 240 * possible backing-up. 241 * 242 * When we actually see the EOF, we change the status to "new" 243 * (via yyrestart()), so that the user can continue scanning by 244 * just pointing yyin at a new input file. 245 */ 246#define YY_BUFFER_EOF_PENDING 2 247 248 }; 249#endif /* !YY_STRUCT_YY_BUFFER_STATE */ 250 251/* Stack of input buffers. */ 252static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ 253static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ 254static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ 255 256/* We provide macros for accessing buffer states in case in the 257 * future we want to put the buffer states in a more general 258 * "scanner state". 259 * 260 * Returns the top of the stack, or NULL. 261 */ 262#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ 263 ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ 264 : NULL) 265 266/* Same as previous macro, but useful when we know that the buffer stack is not 267 * NULL or when we need an lvalue. For internal use only. 268 */ 269#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] 270 271/* yy_hold_char holds the character lost when yytext is formed. */ 272static char yy_hold_char; 273static yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */ 274yy_size_t yyleng; 275 276/* Points to current character in buffer. */ 277static char *yy_c_buf_p = (char *) 0; 278static int yy_init = 0; /* whether we need to initialize */ 279static int yy_start = 0; /* start state number */ 280 281/* Flag which is used to allow yywrap()'s to do buffer switches 282 * instead of setting up a fresh yyin. A bit of a hack ... 283 */ 284static int yy_did_buffer_switch_on_eof; 285 286void yyrestart (FILE *input_file ); 287void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ); 288YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ); 289void yy_delete_buffer (YY_BUFFER_STATE b ); 290void yy_flush_buffer (YY_BUFFER_STATE b ); 291void yypush_buffer_state (YY_BUFFER_STATE new_buffer ); 292void yypop_buffer_state (void ); 293 294static void yyensure_buffer_stack (void ); 295static void yy_load_buffer_state (void ); 296static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ); 297 298#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ) 299 300YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ); 301YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ); 302YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len ); 303 304void *yyalloc (yy_size_t ); 305void *yyrealloc (void *,yy_size_t ); 306void yyfree (void * ); 307 308#define yy_new_buffer yy_create_buffer 309 310#define yy_set_interactive(is_interactive) \ 311 { \ 312 if ( ! YY_CURRENT_BUFFER ){ \ 313 yyensure_buffer_stack (); \ 314 YY_CURRENT_BUFFER_LVALUE = \ 315 yy_create_buffer(yyin,YY_BUF_SIZE ); \ 316 } \ 317 YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ 318 } 319 320#define yy_set_bol(at_bol) \ 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_at_bol = at_bol; \ 328 } 329 330#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) 331 332/* Begin user sect3 */ 333 334typedef unsigned char YY_CHAR; 335 336FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; 337 338typedef int yy_state_type; 339 340extern int yylineno; 341 342int yylineno = 1; 343 344extern char *yytext; 345#define yytext_ptr yytext 346 347static yy_state_type yy_get_previous_state (void ); 348static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); 349static int yy_get_next_buffer (void ); 350static void yy_fatal_error (yyconst char msg[] ); 351 352/* Done after the current pattern has been matched and before the 353 * corresponding action - sets up yytext. 354 */ 355#define YY_DO_BEFORE_ACTION \ 356 (yytext_ptr) = yy_bp; \ 357 yyleng = (size_t) (yy_cp - yy_bp); \ 358 (yy_hold_char) = *yy_cp; \ 359 *yy_cp = '\0'; \ 360 (yy_c_buf_p) = yy_cp; 361 362#define YY_NUM_RULES 7 363#define YY_END_OF_BUFFER 8 364/* This struct is not used in this scanner, 365 but its presence is necessary. */ 366struct yy_trans_info 367 { 368 flex_int32_t yy_verify; 369 flex_int32_t yy_nxt; 370 }; 371static yyconst flex_int16_t yy_accept[14] = 372 { 0, 373 0, 0, 8, 7, 6, 3, 2, 7, 5, 1, 374 4, 1, 0 375 } ; 376 377static yyconst flex_int32_t yy_ec[256] = 378 { 0, 379 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 380 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 381 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 382 1, 2, 1, 4, 1, 1, 1, 1, 1, 1, 383 1, 5, 1, 1, 6, 1, 7, 6, 6, 6, 384 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 385 8, 1, 1, 1, 9, 9, 9, 9, 9, 9, 386 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 387 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 388 1, 1, 1, 1, 6, 1, 9, 9, 9, 9, 389 390 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 391 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 392 9, 9, 8, 1, 8, 1, 1, 1, 1, 1, 393 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 394 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 395 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 396 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 397 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 398 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 399 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 400 401 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 402 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 403 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 404 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 405 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 406 1, 1, 1, 1, 1 407 } ; 408 409static yyconst flex_int32_t yy_meta[10] = 410 { 0, 411 1, 1, 1, 1, 1, 2, 1, 1, 2 412 } ; 413 414static yyconst flex_int16_t yy_base[15] = 415 { 0, 416 0, 0, 12, 13, 13, 13, 13, 6, 13, 0, 417 13, 0, 13, 8 418 } ; 419 420static yyconst flex_int16_t yy_def[15] = 421 { 0, 422 13, 1, 13, 13, 13, 13, 13, 13, 13, 14, 423 13, 14, 0, 13 424 } ; 425 426static yyconst flex_int16_t yy_nxt[23] = 427 { 0, 428 4, 5, 6, 7, 4, 4, 8, 9, 10, 12, 429 11, 13, 3, 13, 13, 13, 13, 13, 13, 13, 430 13, 13 431 } ; 432 433static yyconst flex_int16_t yy_chk[23] = 434 { 0, 435 1, 1, 1, 1, 1, 1, 1, 1, 1, 14, 436 8, 3, 13, 13, 13, 13, 13, 13, 13, 13, 437 13, 13 438 } ; 439 440static yy_state_type yy_last_accepting_state; 441static char *yy_last_accepting_cpos; 442 443extern int yy_flex_debug; 444int yy_flex_debug = 0; 445 446/* The intent behind this definition is that it'll catch 447 * any uses of REJECT which flex missed. 448 */ 449#define REJECT reject_used_but_not_detected 450#define yymore() yymore_used_but_not_detected 451#define YY_MORE_ADJ 0 452#define YY_RESTORE_YY_MORE_OFFSET 453char *yytext; 454#line 1 "slc-lex.l" 455#line 2 "slc-lex.l" 456/* 457 * Copyright (c) 2004 Kungliga Tekniska H��gskolan 458 * (Royal Institute of Technology, Stockholm, Sweden). 459 * All rights reserved. 460 * 461 * Redistribution and use in source and binary forms, with or without 462 * modification, are permitted provided that the following conditions 463 * are met: 464 * 465 * 1. Redistributions of source code must retain the above copyright 466 * notice, this list of conditions and the following disclaimer. 467 * 468 * 2. Redistributions in binary form must reproduce the above copyright 469 * notice, this list of conditions and the following disclaimer in the 470 * documentation and/or other materials provided with the distribution. 471 * 472 * 3. Neither the name of the Institute nor the names of its contributors 473 * may be used to endorse or promote products derived from this software 474 * without specific prior written permission. 475 * 476 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 477 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 478 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 479 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 480 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 481 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 482 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 483 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 484 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 485 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 486 * SUCH DAMAGE. 487 */ 488 489/* $Id$ */ 490 491#undef ECHO 492 493#include <stdio.h> 494#include <string.h> 495#include <stdarg.h> 496#include <stdlib.h> 497#include "slc.h" 498#include "slc-gram.h" 499unsigned lineno = 1; 500 501static void handle_comment(void); 502static char * handle_string(void); 503 504#define YY_NO_UNPUT 505 506#undef ECHO 507 508#line 509 "slc-lex.c" 509 510#define INITIAL 0 511 512#ifndef YY_NO_UNISTD_H 513/* Special case for "unistd.h", since it is non-ANSI. We include it way 514 * down here because we want the user's section 1 to have been scanned first. 515 * The user has a chance to override it with an option. 516 */ 517#include <unistd.h> 518#endif 519 520#ifndef YY_EXTRA_TYPE 521#define YY_EXTRA_TYPE void * 522#endif 523 524static int yy_init_globals (void ); 525 526/* Accessor methods to globals. 527 These are made visible to non-reentrant scanners for convenience. */ 528 529int yylex_destroy (void ); 530 531int yyget_debug (void ); 532 533void yyset_debug (int debug_flag ); 534 535YY_EXTRA_TYPE yyget_extra (void ); 536 537void yyset_extra (YY_EXTRA_TYPE user_defined ); 538 539FILE *yyget_in (void ); 540 541void yyset_in (FILE * in_str ); 542 543FILE *yyget_out (void ); 544 545void yyset_out (FILE * out_str ); 546 547yy_size_t yyget_leng (void ); 548 549char *yyget_text (void ); 550 551int yyget_lineno (void ); 552 553void yyset_lineno (int line_number ); 554 555/* Macros after this point can all be overridden by user definitions in 556 * section 1. 557 */ 558 559#ifndef YY_SKIP_YYWRAP 560#ifdef __cplusplus 561extern "C" int yywrap (void ); 562#else 563extern int yywrap (void ); 564#endif 565#endif 566 567#ifndef yytext_ptr 568static void yy_flex_strncpy (char *,yyconst char *,int ); 569#endif 570 571#ifdef YY_NEED_STRLEN 572static int yy_flex_strlen (yyconst char * ); 573#endif 574 575#ifndef YY_NO_INPUT 576 577#ifdef __cplusplus 578static int yyinput (void ); 579#else 580static int input (void ); 581#endif 582 583#endif 584 585/* Amount of stuff to slurp up with each read. */ 586#ifndef YY_READ_BUF_SIZE 587#define YY_READ_BUF_SIZE 8192 588#endif 589 590/* Copy whatever the last rule matched to the standard output. */ 591#ifndef ECHO 592/* This used to be an fputs(), but since the string might contain NUL's, 593 * we now use fwrite(). 594 */ 595#define ECHO fwrite( yytext, yyleng, 1, yyout ) 596#endif 597 598/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, 599 * is returned in "result". 600 */ 601#ifndef YY_INPUT 602#define YY_INPUT(buf,result,max_size) \ 603 if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ 604 { \ 605 int c = '*'; \ 606 yy_size_t n; \ 607 for ( n = 0; n < max_size && \ 608 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ 609 buf[n] = (char) c; \ 610 if ( c == '\n' ) \ 611 buf[n++] = (char) c; \ 612 if ( c == EOF && ferror( yyin ) ) \ 613 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 614 result = n; \ 615 } \ 616 else \ 617 { \ 618 errno=0; \ 619 while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ 620 { \ 621 if( errno != EINTR) \ 622 { \ 623 YY_FATAL_ERROR( "input in flex scanner failed" ); \ 624 break; \ 625 } \ 626 errno=0; \ 627 clearerr(yyin); \ 628 } \ 629 }\ 630\ 631 632#endif 633 634/* No semi-colon after return; correct usage is to write "yyterminate();" - 635 * we don't want an extra ';' after the "return" because that will cause 636 * some compilers to complain about unreachable statements. 637 */ 638#ifndef yyterminate 639#define yyterminate() return YY_NULL 640#endif 641 642/* Number of entries by which start-condition stack grows. */ 643#ifndef YY_START_STACK_INCR 644#define YY_START_STACK_INCR 25 645#endif 646 647/* Report a fatal error. */ 648#ifndef YY_FATAL_ERROR 649#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) 650#endif 651 652/* end tables serialization structures and prototypes */ 653 654/* Default declaration of generated scanner - a define so the user can 655 * easily add parameters. 656 */ 657#ifndef YY_DECL 658#define YY_DECL_IS_OURS 1 659 660extern int yylex (void); 661 662#define YY_DECL int yylex (void) 663#endif /* !YY_DECL */ 664 665/* Code executed at the beginning of each rule, after yytext and yyleng 666 * have been set up. 667 */ 668#ifndef YY_USER_ACTION 669#define YY_USER_ACTION 670#endif 671 672/* Code executed at the end of each rule. */ 673#ifndef YY_BREAK 674#define YY_BREAK break; 675#endif 676 677#define YY_RULE_SETUP \ 678 YY_USER_ACTION 679 680/** The main scanner function which does all the work. 681 */ 682YY_DECL 683{ 684 register yy_state_type yy_current_state; 685 register char *yy_cp, *yy_bp; 686 register int yy_act; 687 688#line 58 "slc-lex.l" 689 690#line 691 "slc-lex.c" 691 692 if ( !(yy_init) ) 693 { 694 (yy_init) = 1; 695 696#ifdef YY_USER_INIT 697 YY_USER_INIT; 698#endif 699 700 if ( ! (yy_start) ) 701 (yy_start) = 1; /* first start state */ 702 703 if ( ! yyin ) 704 yyin = stdin; 705 706 if ( ! yyout ) 707 yyout = stdout; 708 709 if ( ! YY_CURRENT_BUFFER ) { 710 yyensure_buffer_stack (); 711 YY_CURRENT_BUFFER_LVALUE = 712 yy_create_buffer(yyin,YY_BUF_SIZE ); 713 } 714 715 yy_load_buffer_state( ); 716 } 717 718 while ( 1 ) /* loops until end-of-file is reached */ 719 { 720 yy_cp = (yy_c_buf_p); 721 722 /* Support of yytext. */ 723 *yy_cp = (yy_hold_char); 724 725 /* yy_bp points to the position in yy_ch_buf of the start of 726 * the current run. 727 */ 728 yy_bp = yy_cp; 729 730 yy_current_state = (yy_start); 731yy_match: 732 do 733 { 734 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; 735 if ( yy_accept[yy_current_state] ) 736 { 737 (yy_last_accepting_state) = yy_current_state; 738 (yy_last_accepting_cpos) = yy_cp; 739 } 740 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 741 { 742 yy_current_state = (int) yy_def[yy_current_state]; 743 if ( yy_current_state >= 14 ) 744 yy_c = yy_meta[(unsigned int) yy_c]; 745 } 746 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; 747 ++yy_cp; 748 } 749 while ( yy_base[yy_current_state] != 13 ); 750 751yy_find_action: 752 yy_act = yy_accept[yy_current_state]; 753 if ( yy_act == 0 ) 754 { /* have to back up */ 755 yy_cp = (yy_last_accepting_cpos); 756 yy_current_state = (yy_last_accepting_state); 757 yy_act = yy_accept[yy_current_state]; 758 } 759 760 YY_DO_BEFORE_ACTION; 761 762do_action: /* This label is used only to access EOF actions. */ 763 764 switch ( yy_act ) 765 { /* beginning of action switch */ 766 case 0: /* must back up */ 767 /* undo the effects of YY_DO_BEFORE_ACTION */ 768 *yy_cp = (yy_hold_char); 769 yy_cp = (yy_last_accepting_cpos); 770 yy_current_state = (yy_last_accepting_state); 771 goto yy_find_action; 772 773case 1: 774YY_RULE_SETUP 775#line 59 "slc-lex.l" 776{ 777 yylval.string = strdup ((const char *)yytext); 778 return LITERAL; 779 } 780 YY_BREAK 781case 2: 782YY_RULE_SETUP 783#line 63 "slc-lex.l" 784{ yylval.string = handle_string(); return STRING; } 785 YY_BREAK 786case 3: 787/* rule 3 can match eol */ 788YY_RULE_SETUP 789#line 64 "slc-lex.l" 790{ ++lineno; } 791 YY_BREAK 792case 4: 793YY_RULE_SETUP 794#line 65 "slc-lex.l" 795{ handle_comment(); } 796 YY_BREAK 797case 5: 798YY_RULE_SETUP 799#line 66 "slc-lex.l" 800{ return *yytext; } 801 YY_BREAK 802case 6: 803YY_RULE_SETUP 804#line 67 "slc-lex.l" 805; 806 YY_BREAK 807case 7: 808YY_RULE_SETUP 809#line 68 "slc-lex.l" 810ECHO; 811 YY_BREAK 812#line 813 "slc-lex.c" 813case YY_STATE_EOF(INITIAL): 814 yyterminate(); 815 816 case YY_END_OF_BUFFER: 817 { 818 /* Amount of text matched not including the EOB char. */ 819 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; 820 821 /* Undo the effects of YY_DO_BEFORE_ACTION. */ 822 *yy_cp = (yy_hold_char); 823 YY_RESTORE_YY_MORE_OFFSET 824 825 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) 826 { 827 /* We're scanning a new file or input source. It's 828 * possible that this happened because the user 829 * just pointed yyin at a new source and called 830 * yylex(). If so, then we have to assure 831 * consistency between YY_CURRENT_BUFFER and our 832 * globals. Here is the right place to do so, because 833 * this is the first action (other than possibly a 834 * back-up) that will match for the new input source. 835 */ 836 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 837 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; 838 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; 839 } 840 841 /* Note that here we test for yy_c_buf_p "<=" to the position 842 * of the first EOB in the buffer, since yy_c_buf_p will 843 * already have been incremented past the NUL character 844 * (since all states make transitions on EOB to the 845 * end-of-buffer state). Contrast this with the test 846 * in input(). 847 */ 848 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 849 { /* This was really a NUL. */ 850 yy_state_type yy_next_state; 851 852 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; 853 854 yy_current_state = yy_get_previous_state( ); 855 856 /* Okay, we're now positioned to make the NUL 857 * transition. We couldn't have 858 * yy_get_previous_state() go ahead and do it 859 * for us because it doesn't know how to deal 860 * with the possibility of jamming (and we don't 861 * want to build jamming into it because then it 862 * will run more slowly). 863 */ 864 865 yy_next_state = yy_try_NUL_trans( yy_current_state ); 866 867 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 868 869 if ( yy_next_state ) 870 { 871 /* Consume the NUL. */ 872 yy_cp = ++(yy_c_buf_p); 873 yy_current_state = yy_next_state; 874 goto yy_match; 875 } 876 877 else 878 { 879 yy_cp = (yy_c_buf_p); 880 goto yy_find_action; 881 } 882 } 883 884 else switch ( yy_get_next_buffer( ) ) 885 { 886 case EOB_ACT_END_OF_FILE: 887 { 888 (yy_did_buffer_switch_on_eof) = 0; 889 890 if ( yywrap( ) ) 891 { 892 /* Note: because we've taken care in 893 * yy_get_next_buffer() to have set up 894 * yytext, we can now set up 895 * yy_c_buf_p so that if some total 896 * hoser (like flex itself) wants to 897 * call the scanner after we return the 898 * YY_NULL, it'll still work - another 899 * YY_NULL will get returned. 900 */ 901 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; 902 903 yy_act = YY_STATE_EOF(YY_START); 904 goto do_action; 905 } 906 907 else 908 { 909 if ( ! (yy_did_buffer_switch_on_eof) ) 910 YY_NEW_FILE; 911 } 912 break; 913 } 914 915 case EOB_ACT_CONTINUE_SCAN: 916 (yy_c_buf_p) = 917 (yytext_ptr) + yy_amount_of_matched_text; 918 919 yy_current_state = yy_get_previous_state( ); 920 921 yy_cp = (yy_c_buf_p); 922 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 923 goto yy_match; 924 925 case EOB_ACT_LAST_MATCH: 926 (yy_c_buf_p) = 927 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; 928 929 yy_current_state = yy_get_previous_state( ); 930 931 yy_cp = (yy_c_buf_p); 932 yy_bp = (yytext_ptr) + YY_MORE_ADJ; 933 goto yy_find_action; 934 } 935 break; 936 } 937 938 default: 939 YY_FATAL_ERROR( 940 "fatal flex scanner internal error--no action found" ); 941 } /* end of action switch */ 942 } /* end of scanning one token */ 943} /* end of yylex */ 944 945/* yy_get_next_buffer - try to read in a new buffer 946 * 947 * Returns a code representing an action: 948 * EOB_ACT_LAST_MATCH - 949 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position 950 * EOB_ACT_END_OF_FILE - end of file 951 */ 952static int yy_get_next_buffer (void) 953{ 954 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; 955 register char *source = (yytext_ptr); 956 register int number_to_move, i; 957 int ret_val; 958 959 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) 960 YY_FATAL_ERROR( 961 "fatal flex scanner internal error--end of buffer missed" ); 962 963 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) 964 { /* Don't try to fill the buffer, so this is an EOF. */ 965 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) 966 { 967 /* We matched a single character, the EOB, so 968 * treat this as a final EOF. 969 */ 970 return EOB_ACT_END_OF_FILE; 971 } 972 973 else 974 { 975 /* We matched some text prior to the EOB, first 976 * process it. 977 */ 978 return EOB_ACT_LAST_MATCH; 979 } 980 } 981 982 /* Try to read more data. */ 983 984 /* First move last chars to start of buffer. */ 985 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; 986 987 for ( i = 0; i < number_to_move; ++i ) 988 *(dest++) = *(source++); 989 990 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) 991 /* don't do the read, it's not guaranteed to return an EOF, 992 * just force an EOF 993 */ 994 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; 995 996 else 997 { 998 yy_size_t num_to_read = 999 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; 1000 1001 while ( num_to_read <= 0 ) 1002 { /* Not enough room in the buffer - grow it. */ 1003 1004 /* just a shorter name for the current buffer */ 1005 YY_BUFFER_STATE b = YY_CURRENT_BUFFER; 1006 1007 int yy_c_buf_p_offset = 1008 (int) ((yy_c_buf_p) - b->yy_ch_buf); 1009 1010 if ( b->yy_is_our_buffer ) 1011 { 1012 yy_size_t new_size = b->yy_buf_size * 2; 1013 1014 if ( new_size <= 0 ) 1015 b->yy_buf_size += b->yy_buf_size / 8; 1016 else 1017 b->yy_buf_size *= 2; 1018 1019 b->yy_ch_buf = (char *) 1020 /* Include room in for 2 EOB chars. */ 1021 yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); 1022 } 1023 else 1024 /* Can't grow it, we don't own it. */ 1025 b->yy_ch_buf = 0; 1026 1027 if ( ! b->yy_ch_buf ) 1028 YY_FATAL_ERROR( 1029 "fatal error - scanner input buffer overflow" ); 1030 1031 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; 1032 1033 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - 1034 number_to_move - 1; 1035 1036 } 1037 1038 if ( num_to_read > YY_READ_BUF_SIZE ) 1039 num_to_read = YY_READ_BUF_SIZE; 1040 1041 /* Read in more data. */ 1042 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), 1043 (yy_n_chars), num_to_read ); 1044 1045 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1046 } 1047 1048 if ( (yy_n_chars) == 0 ) 1049 { 1050 if ( number_to_move == YY_MORE_ADJ ) 1051 { 1052 ret_val = EOB_ACT_END_OF_FILE; 1053 yyrestart(yyin ); 1054 } 1055 1056 else 1057 { 1058 ret_val = EOB_ACT_LAST_MATCH; 1059 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = 1060 YY_BUFFER_EOF_PENDING; 1061 } 1062 } 1063 1064 else 1065 ret_val = EOB_ACT_CONTINUE_SCAN; 1066 1067 if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { 1068 /* Extend the array by 50%, plus the number we really need. */ 1069 yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); 1070 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); 1071 if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) 1072 YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); 1073 } 1074 1075 (yy_n_chars) += number_to_move; 1076 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; 1077 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; 1078 1079 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; 1080 1081 return ret_val; 1082} 1083 1084/* yy_get_previous_state - get the state just before the EOB char was reached */ 1085 1086 static yy_state_type yy_get_previous_state (void) 1087{ 1088 register yy_state_type yy_current_state; 1089 register char *yy_cp; 1090 1091 yy_current_state = (yy_start); 1092 1093 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) 1094 { 1095 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); 1096 if ( yy_accept[yy_current_state] ) 1097 { 1098 (yy_last_accepting_state) = yy_current_state; 1099 (yy_last_accepting_cpos) = yy_cp; 1100 } 1101 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 1102 { 1103 yy_current_state = (int) yy_def[yy_current_state]; 1104 if ( yy_current_state >= 14 ) 1105 yy_c = yy_meta[(unsigned int) yy_c]; 1106 } 1107 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; 1108 } 1109 1110 return yy_current_state; 1111} 1112 1113/* yy_try_NUL_trans - try to make a transition on the NUL character 1114 * 1115 * synopsis 1116 * next_state = yy_try_NUL_trans( current_state ); 1117 */ 1118 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) 1119{ 1120 register int yy_is_jam; 1121 register char *yy_cp = (yy_c_buf_p); 1122 1123 register YY_CHAR yy_c = 1; 1124 if ( yy_accept[yy_current_state] ) 1125 { 1126 (yy_last_accepting_state) = yy_current_state; 1127 (yy_last_accepting_cpos) = yy_cp; 1128 } 1129 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) 1130 { 1131 yy_current_state = (int) yy_def[yy_current_state]; 1132 if ( yy_current_state >= 14 ) 1133 yy_c = yy_meta[(unsigned int) yy_c]; 1134 } 1135 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; 1136 yy_is_jam = (yy_current_state == 13); 1137 1138 return yy_is_jam ? 0 : yy_current_state; 1139} 1140 1141#ifndef YY_NO_INPUT 1142#ifdef __cplusplus 1143 static int yyinput (void) 1144#else 1145 static int input (void) 1146#endif 1147 1148{ 1149 int c; 1150 1151 *(yy_c_buf_p) = (yy_hold_char); 1152 1153 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) 1154 { 1155 /* yy_c_buf_p now points to the character we want to return. 1156 * If this occurs *before* the EOB characters, then it's a 1157 * valid NUL; if not, then we've hit the end of the buffer. 1158 */ 1159 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) 1160 /* This was really a NUL. */ 1161 *(yy_c_buf_p) = '\0'; 1162 1163 else 1164 { /* need more input */ 1165 yy_size_t offset = (yy_c_buf_p) - (yytext_ptr); 1166 ++(yy_c_buf_p); 1167 1168 switch ( yy_get_next_buffer( ) ) 1169 { 1170 case EOB_ACT_LAST_MATCH: 1171 /* This happens because yy_g_n_b() 1172 * sees that we've accumulated a 1173 * token and flags that we need to 1174 * try matching the token before 1175 * proceeding. But for input(), 1176 * there's no matching to consider. 1177 * So convert the EOB_ACT_LAST_MATCH 1178 * to EOB_ACT_END_OF_FILE. 1179 */ 1180 1181 /* Reset buffer status. */ 1182 yyrestart(yyin ); 1183 1184 /*FALLTHROUGH*/ 1185 1186 case EOB_ACT_END_OF_FILE: 1187 { 1188 if ( yywrap( ) ) 1189 return 0; 1190 1191 if ( ! (yy_did_buffer_switch_on_eof) ) 1192 YY_NEW_FILE; 1193#ifdef __cplusplus 1194 return yyinput(); 1195#else 1196 return input(); 1197#endif 1198 } 1199 1200 case EOB_ACT_CONTINUE_SCAN: 1201 (yy_c_buf_p) = (yytext_ptr) + offset; 1202 break; 1203 } 1204 } 1205 } 1206 1207 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ 1208 *(yy_c_buf_p) = '\0'; /* preserve yytext */ 1209 (yy_hold_char) = *++(yy_c_buf_p); 1210 1211 return c; 1212} 1213#endif /* ifndef YY_NO_INPUT */ 1214 1215/** Immediately switch to a different input stream. 1216 * @param input_file A readable stream. 1217 * 1218 * @note This function does not reset the start condition to @c INITIAL . 1219 */ 1220 void yyrestart (FILE * input_file ) 1221{ 1222 1223 if ( ! YY_CURRENT_BUFFER ){ 1224 yyensure_buffer_stack (); 1225 YY_CURRENT_BUFFER_LVALUE = 1226 yy_create_buffer(yyin,YY_BUF_SIZE ); 1227 } 1228 1229 yy_init_buffer(YY_CURRENT_BUFFER,input_file ); 1230 yy_load_buffer_state( ); 1231} 1232 1233/** Switch to a different input buffer. 1234 * @param new_buffer The new input buffer. 1235 * 1236 */ 1237 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) 1238{ 1239 1240 /* TODO. We should be able to replace this entire function body 1241 * with 1242 * yypop_buffer_state(); 1243 * yypush_buffer_state(new_buffer); 1244 */ 1245 yyensure_buffer_stack (); 1246 if ( YY_CURRENT_BUFFER == new_buffer ) 1247 return; 1248 1249 if ( YY_CURRENT_BUFFER ) 1250 { 1251 /* Flush out information for old buffer. */ 1252 *(yy_c_buf_p) = (yy_hold_char); 1253 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1254 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1255 } 1256 1257 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1258 yy_load_buffer_state( ); 1259 1260 /* We don't actually know whether we did this switch during 1261 * EOF (yywrap()) processing, but the only time this flag 1262 * is looked at is after yywrap() is called, so it's safe 1263 * to go ahead and always set it. 1264 */ 1265 (yy_did_buffer_switch_on_eof) = 1; 1266} 1267 1268static void yy_load_buffer_state (void) 1269{ 1270 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; 1271 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; 1272 yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; 1273 (yy_hold_char) = *(yy_c_buf_p); 1274} 1275 1276/** Allocate and initialize an input buffer state. 1277 * @param file A readable stream. 1278 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. 1279 * 1280 * @return the allocated buffer state. 1281 */ 1282 YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) 1283{ 1284 YY_BUFFER_STATE b; 1285 1286 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); 1287 if ( ! b ) 1288 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 1289 1290 b->yy_buf_size = size; 1291 1292 /* yy_ch_buf has to be 2 characters longer than the size given because 1293 * we need to put in 2 end-of-buffer characters. 1294 */ 1295 b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 ); 1296 if ( ! b->yy_ch_buf ) 1297 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 1298 1299 b->yy_is_our_buffer = 1; 1300 1301 yy_init_buffer(b,file ); 1302 1303 return b; 1304} 1305 1306/** Destroy the buffer. 1307 * @param b a buffer created with yy_create_buffer() 1308 * 1309 */ 1310 void yy_delete_buffer (YY_BUFFER_STATE b ) 1311{ 1312 1313 if ( ! b ) 1314 return; 1315 1316 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ 1317 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; 1318 1319 if ( b->yy_is_our_buffer ) 1320 yyfree((void *) b->yy_ch_buf ); 1321 1322 yyfree((void *) b ); 1323} 1324 1325#ifndef __cplusplus 1326extern int isatty (int ); 1327#endif /* __cplusplus */ 1328 1329/* Initializes or reinitializes a buffer. 1330 * This function is sometimes called more than once on the same buffer, 1331 * such as during a yyrestart() or at EOF. 1332 */ 1333 static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) 1334 1335{ 1336 int oerrno = errno; 1337 1338 yy_flush_buffer(b ); 1339 1340 b->yy_input_file = file; 1341 b->yy_fill_buffer = 1; 1342 1343 /* If b is the current buffer, then yy_init_buffer was _probably_ 1344 * called from yyrestart() or through yy_get_next_buffer. 1345 * In that case, we don't want to reset the lineno or column. 1346 */ 1347 if (b != YY_CURRENT_BUFFER){ 1348 b->yy_bs_lineno = 1; 1349 b->yy_bs_column = 0; 1350 } 1351 1352 b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; 1353 1354 errno = oerrno; 1355} 1356 1357/** Discard all buffered characters. On the next scan, YY_INPUT will be called. 1358 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. 1359 * 1360 */ 1361 void yy_flush_buffer (YY_BUFFER_STATE b ) 1362{ 1363 if ( ! b ) 1364 return; 1365 1366 b->yy_n_chars = 0; 1367 1368 /* We always need two end-of-buffer characters. The first causes 1369 * a transition to the end-of-buffer state. The second causes 1370 * a jam in that state. 1371 */ 1372 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; 1373 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; 1374 1375 b->yy_buf_pos = &b->yy_ch_buf[0]; 1376 1377 b->yy_at_bol = 1; 1378 b->yy_buffer_status = YY_BUFFER_NEW; 1379 1380 if ( b == YY_CURRENT_BUFFER ) 1381 yy_load_buffer_state( ); 1382} 1383 1384/** Pushes the new state onto the stack. The new state becomes 1385 * the current state. This function will allocate the stack 1386 * if necessary. 1387 * @param new_buffer The new state. 1388 * 1389 */ 1390void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) 1391{ 1392 if (new_buffer == NULL) 1393 return; 1394 1395 yyensure_buffer_stack(); 1396 1397 /* This block is copied from yy_switch_to_buffer. */ 1398 if ( YY_CURRENT_BUFFER ) 1399 { 1400 /* Flush out information for old buffer. */ 1401 *(yy_c_buf_p) = (yy_hold_char); 1402 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); 1403 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); 1404 } 1405 1406 /* Only push if top exists. Otherwise, replace top. */ 1407 if (YY_CURRENT_BUFFER) 1408 (yy_buffer_stack_top)++; 1409 YY_CURRENT_BUFFER_LVALUE = new_buffer; 1410 1411 /* copied from yy_switch_to_buffer. */ 1412 yy_load_buffer_state( ); 1413 (yy_did_buffer_switch_on_eof) = 1; 1414} 1415 1416/** Removes and deletes the top of the stack, if present. 1417 * The next element becomes the new top. 1418 * 1419 */ 1420void yypop_buffer_state (void) 1421{ 1422 if (!YY_CURRENT_BUFFER) 1423 return; 1424 1425 yy_delete_buffer(YY_CURRENT_BUFFER ); 1426 YY_CURRENT_BUFFER_LVALUE = NULL; 1427 if ((yy_buffer_stack_top) > 0) 1428 --(yy_buffer_stack_top); 1429 1430 if (YY_CURRENT_BUFFER) { 1431 yy_load_buffer_state( ); 1432 (yy_did_buffer_switch_on_eof) = 1; 1433 } 1434} 1435 1436/* Allocates the stack if it does not exist. 1437 * Guarantees space for at least one push. 1438 */ 1439static void yyensure_buffer_stack (void) 1440{ 1441 yy_size_t num_to_alloc; 1442 1443 if (!(yy_buffer_stack)) { 1444 1445 /* First allocation is just for 2 elements, since we don't know if this 1446 * scanner will even need a stack. We use 2 instead of 1 to avoid an 1447 * immediate realloc on the next call. 1448 */ 1449 num_to_alloc = 1; 1450 (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc 1451 (num_to_alloc * sizeof(struct yy_buffer_state*) 1452 ); 1453 if ( ! (yy_buffer_stack) ) 1454 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); 1455 1456 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); 1457 1458 (yy_buffer_stack_max) = num_to_alloc; 1459 (yy_buffer_stack_top) = 0; 1460 return; 1461 } 1462 1463 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ 1464 1465 /* Increase the buffer to prepare for a possible push. */ 1466 int grow_size = 8 /* arbitrary grow size */; 1467 1468 num_to_alloc = (yy_buffer_stack_max) + grow_size; 1469 (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc 1470 ((yy_buffer_stack), 1471 num_to_alloc * sizeof(struct yy_buffer_state*) 1472 ); 1473 if ( ! (yy_buffer_stack) ) 1474 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); 1475 1476 /* zero only the new slots.*/ 1477 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); 1478 (yy_buffer_stack_max) = num_to_alloc; 1479 } 1480} 1481 1482/** Setup the input buffer state to scan directly from a user-specified character buffer. 1483 * @param base the character buffer 1484 * @param size the size in bytes of the character buffer 1485 * 1486 * @return the newly allocated buffer state object. 1487 */ 1488YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) 1489{ 1490 YY_BUFFER_STATE b; 1491 1492 if ( size < 2 || 1493 base[size-2] != YY_END_OF_BUFFER_CHAR || 1494 base[size-1] != YY_END_OF_BUFFER_CHAR ) 1495 /* They forgot to leave room for the EOB's. */ 1496 return 0; 1497 1498 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ); 1499 if ( ! b ) 1500 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); 1501 1502 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ 1503 b->yy_buf_pos = b->yy_ch_buf = base; 1504 b->yy_is_our_buffer = 0; 1505 b->yy_input_file = 0; 1506 b->yy_n_chars = b->yy_buf_size; 1507 b->yy_is_interactive = 0; 1508 b->yy_at_bol = 1; 1509 b->yy_fill_buffer = 0; 1510 b->yy_buffer_status = YY_BUFFER_NEW; 1511 1512 yy_switch_to_buffer(b ); 1513 1514 return b; 1515} 1516 1517/** Setup the input buffer state to scan a string. The next call to yylex() will 1518 * scan from a @e copy of @a str. 1519 * @param yystr a NUL-terminated string to scan 1520 * 1521 * @return the newly allocated buffer state object. 1522 * @note If you want to scan bytes that may contain NUL values, then use 1523 * yy_scan_bytes() instead. 1524 */ 1525YY_BUFFER_STATE yy_scan_string (yyconst char * yystr ) 1526{ 1527 1528 return yy_scan_bytes(yystr,strlen(yystr) ); 1529} 1530 1531/** Setup the input buffer state to scan the given bytes. The next call to yylex() will 1532 * scan from a @e copy of @a bytes. 1533 * @param bytes the byte buffer to scan 1534 * @param len the number of bytes in the buffer pointed to by @a bytes. 1535 * 1536 * @return the newly allocated buffer state object. 1537 */ 1538YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len ) 1539{ 1540 YY_BUFFER_STATE b; 1541 char *buf; 1542 yy_size_t n, i; 1543 1544 /* Get memory for full buffer, including space for trailing EOB's. */ 1545 n = _yybytes_len + 2; 1546 buf = (char *) yyalloc(n ); 1547 if ( ! buf ) 1548 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); 1549 1550 for ( i = 0; i < _yybytes_len; ++i ) 1551 buf[i] = yybytes[i]; 1552 1553 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; 1554 1555 b = yy_scan_buffer(buf,n ); 1556 if ( ! b ) 1557 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); 1558 1559 /* It's okay to grow etc. this buffer, and we should throw it 1560 * away when we're done. 1561 */ 1562 b->yy_is_our_buffer = 1; 1563 1564 return b; 1565} 1566 1567#ifndef YY_EXIT_FAILURE 1568#define YY_EXIT_FAILURE 2 1569#endif 1570 1571static void yy_fatal_error (yyconst char* msg ) 1572{ 1573 (void) fprintf( stderr, "%s\n", msg ); 1574 exit( YY_EXIT_FAILURE ); 1575} 1576 1577/* Redefine yyless() so it works in section 3 code. */ 1578 1579#undef yyless 1580#define yyless(n) \ 1581 do \ 1582 { \ 1583 /* Undo effects of setting up yytext. */ \ 1584 int yyless_macro_arg = (n); \ 1585 YY_LESS_LINENO(yyless_macro_arg);\ 1586 yytext[yyleng] = (yy_hold_char); \ 1587 (yy_c_buf_p) = yytext + yyless_macro_arg; \ 1588 (yy_hold_char) = *(yy_c_buf_p); \ 1589 *(yy_c_buf_p) = '\0'; \ 1590 yyleng = yyless_macro_arg; \ 1591 } \ 1592 while ( 0 ) 1593 1594/* Accessor methods (get/set functions) to struct members. */ 1595 1596/** Get the current line number. 1597 * 1598 */ 1599int yyget_lineno (void) 1600{ 1601 1602 return yylineno; 1603} 1604 1605/** Get the input stream. 1606 * 1607 */ 1608FILE *yyget_in (void) 1609{ 1610 return yyin; 1611} 1612 1613/** Get the output stream. 1614 * 1615 */ 1616FILE *yyget_out (void) 1617{ 1618 return yyout; 1619} 1620 1621/** Get the length of the current token. 1622 * 1623 */ 1624yy_size_t yyget_leng (void) 1625{ 1626 return yyleng; 1627} 1628 1629/** Get the current token. 1630 * 1631 */ 1632 1633char *yyget_text (void) 1634{ 1635 return yytext; 1636} 1637 1638/** Set the current line number. 1639 * @param line_number 1640 * 1641 */ 1642void yyset_lineno (int line_number ) 1643{ 1644 1645 yylineno = line_number; 1646} 1647 1648/** Set the input stream. This does not discard the current 1649 * input buffer. 1650 * @param in_str A readable stream. 1651 * 1652 * @see yy_switch_to_buffer 1653 */ 1654void yyset_in (FILE * in_str ) 1655{ 1656 yyin = in_str ; 1657} 1658 1659void yyset_out (FILE * out_str ) 1660{ 1661 yyout = out_str ; 1662} 1663 1664int yyget_debug (void) 1665{ 1666 return yy_flex_debug; 1667} 1668 1669void yyset_debug (int bdebug ) 1670{ 1671 yy_flex_debug = bdebug ; 1672} 1673 1674static int yy_init_globals (void) 1675{ 1676 /* Initialization is the same as for the non-reentrant scanner. 1677 * This function is called from yylex_destroy(), so don't allocate here. 1678 */ 1679 1680 (yy_buffer_stack) = 0; 1681 (yy_buffer_stack_top) = 0; 1682 (yy_buffer_stack_max) = 0; 1683 (yy_c_buf_p) = (char *) 0; 1684 (yy_init) = 0; 1685 (yy_start) = 0; 1686 1687/* Defined in main.c */ 1688#ifdef YY_STDINIT 1689 yyin = stdin; 1690 yyout = stdout; 1691#else 1692 yyin = (FILE *) 0; 1693 yyout = (FILE *) 0; 1694#endif 1695 1696 /* For future reference: Set errno on error, since we are called by 1697 * yylex_init() 1698 */ 1699 return 0; 1700} 1701 1702/* yylex_destroy is for both reentrant and non-reentrant scanners. */ 1703int yylex_destroy (void) 1704{ 1705 1706 /* Pop the buffer stack, destroying each element. */ 1707 while(YY_CURRENT_BUFFER){ 1708 yy_delete_buffer(YY_CURRENT_BUFFER ); 1709 YY_CURRENT_BUFFER_LVALUE = NULL; 1710 yypop_buffer_state(); 1711 } 1712 1713 /* Destroy the stack itself. */ 1714 yyfree((yy_buffer_stack) ); 1715 (yy_buffer_stack) = NULL; 1716 1717 /* Reset the globals. This is important in a non-reentrant scanner so the next time 1718 * yylex() is called, initialization will occur. */ 1719 yy_init_globals( ); 1720 1721 return 0; 1722} 1723 1724/* 1725 * Internal utility routines. 1726 */ 1727 1728#ifndef yytext_ptr 1729static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) 1730{ 1731 register int i; 1732 for ( i = 0; i < n; ++i ) 1733 s1[i] = s2[i]; 1734} 1735#endif 1736 1737#ifdef YY_NEED_STRLEN 1738static int yy_flex_strlen (yyconst char * s ) 1739{ 1740 register int n; 1741 for ( n = 0; s[n]; ++n ) 1742 ; 1743 1744 return n; 1745} 1746#endif 1747 1748void *yyalloc (yy_size_t size ) 1749{ 1750 return (void *) malloc( size ); 1751} 1752 1753void *yyrealloc (void * ptr, yy_size_t size ) 1754{ 1755 /* The cast to (char *) in the following accommodates both 1756 * implementations that use char* generic pointers, and those 1757 * that use void* generic pointers. It works with the latter 1758 * because both ANSI C and C++ allow castless assignment from 1759 * any pointer type to void*, and deal with argument conversions 1760 * as though doing an assignment. 1761 */ 1762 return (void *) realloc( (char *) ptr, size ); 1763} 1764 1765void yyfree (void * ptr ) 1766{ 1767 free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ 1768} 1769 1770#define YYTABLES_NAME "yytables" 1771 1772#line 68 "slc-lex.l" 1773 1774 1775 1776void 1777error_message (const char *format, ...) 1778{ 1779 va_list args; 1780 1781 va_start (args, format); 1782 fprintf (stderr, "%s:%d: ", filename, lineno); 1783 vfprintf (stderr, format, args); 1784 va_end (args); 1785 error_flag++; 1786} 1787 1788void 1789yyerror (char *s) 1790{ 1791 error_message("%s\n", s); 1792} 1793 1794static void 1795handle_comment(void) 1796{ 1797 int c; 1798 int start_lineno = lineno; 1799 int level = 1; 1800 int seen_star = 0; 1801 int seen_slash = 0; 1802 while((c = input()) != EOF) { 1803 if(c == '/') { 1804 if(seen_star) { 1805 if(--level == 0) 1806 return; 1807 seen_star = 0; 1808 continue; 1809 } 1810 seen_slash = 1; 1811 continue; 1812 } else if(c == '*') { 1813 if(seen_slash) { 1814 level++; 1815 seen_star = seen_slash = 0; 1816 continue; 1817 } 1818 seen_star = 1; 1819 continue; 1820 } 1821 seen_star = seen_slash = 0; 1822 if(c == '\n') { 1823 lineno++; 1824 continue; 1825 } 1826 } 1827 if(c == EOF) 1828 error_message("unterminated comment, possibly started on line %d\n", start_lineno); 1829} 1830 1831static char * 1832handle_string(void) 1833{ 1834 char x[1024]; 1835 int i = 0; 1836 int c; 1837 int quote = 0; 1838 while((c = input()) != EOF){ 1839 if(quote) { 1840 x[i++] = '\\'; 1841 x[i++] = c; 1842 quote = 0; 1843 continue; 1844 } 1845 if(c == '\n'){ 1846 error_message("unterminated string"); 1847 lineno++; 1848 break; 1849 } 1850 if(c == '\\'){ 1851 quote++; 1852 continue; 1853 } 1854 if(c == '\"') 1855 break; 1856 x[i++] = c; 1857 } 1858 x[i] = '\0'; 1859 return strdup(x); 1860} 1861 1862int 1863yywrap () 1864{ 1865 return 1; 1866} 1867 1868