usr.bin/lex/flex.skl

   1 /* A lexical scanner generated by flex */
   2
   3 /* Scanner skeleton version:
   4  * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
   5  * $FreeBSD: src/usr.bin/lex/flex.skl,v 1.4 1999/10/27 07:56:44 obrien Exp $
   6  */
   7
   8 #define FLEX_SCANNER
   9 #define YY_FLEX_MAJOR_VERSION 2
  10 #define YY_FLEX_MINOR_VERSION 5
  11
  12 %-
  13 #include <stdio.h>
  14 %*
  15
  16
  17 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
  18 #ifdef c_plusplus
  19 #ifndef __cplusplus
  20 #define __cplusplus
  21 #endif
  22 #endif
  23
  24
  25 #ifdef __cplusplus
  26
  27 #include <stdlib.h>
  28 %+
  29 class istream;
  30 %*
  31 #include <unistd.h>
  32
  33 /* Use prototypes in function declarations. */
  34 #define YY_USE_PROTOS
  35
  36 /* The "const" storage-class-modifier is valid. */
  37 #define YY_USE_CONST
  38
  39 #else   /* ! __cplusplus */
  40
  41 #if __STDC__
  42
  43 #define YY_USE_PROTOS
  44 #define YY_USE_CONST
  45
  46 #endif  /* __STDC__ */
  47 #endif  /* ! __cplusplus */
  48
  49 #ifdef __TURBOC__
  50  #pragma warn -rch
  51  #pragma warn -use
  52 #include <io.h>
  53 #include <stdlib.h>
  54 #define YY_USE_CONST
  55 #define YY_USE_PROTOS
  56 #endif
  57
  58 #ifdef YY_USE_CONST
  59 #define yyconst const
  60 #else
  61 #define yyconst
  62 #endif
  63
  64
  65 #ifdef YY_USE_PROTOS
  66 #define YY_PROTO(proto) proto
  67 #else
  68 #define YY_PROTO(proto) ()
  69 #endif
  70
  71 /* Returned upon end-of-file. */
  72 #define YY_NULL 0
  73
  74 /* Promotes a possibly negative, possibly signed char to an unsigned
  75  * integer for use as an array index.  If the signed char is negative,
  76  * we want to instead treat it as an 8-bit unsigned char, hence the
  77  * double cast.
  78  */
  79 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
  80
  81 /* Enter a start condition.  This macro really ought to take a parameter,
  82  * but we do it the disgusting crufty way forced on us by the ()-less
  83  * definition of BEGIN.
  84  */
  85 #define BEGIN yy_start = 1 + 2 *
  86
  87 /* Translate the current start state into a value that can be later handed
  88  * to BEGIN to return to the state.  The YYSTATE alias is for lex
  89  * compatibility.
  90  */
  91 #define YY_START ((yy_start - 1) / 2)
  92 #define YYSTATE YY_START
  93
  94 /* Action number for EOF rule of a given start state. */
  95 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
  96
  97 /* Special action meaning "start processing a new file". */
  98 #define YY_NEW_FILE yyrestart( yyin )
  99
 100 #define YY_END_OF_BUFFER_CHAR 0
 101
 102 /* Size of default input buffer. */
 103 #define YY_BUF_SIZE 16384
 104
 105 typedef struct yy_buffer_state *YY_BUFFER_STATE;
 106
 107 extern int yyleng;
 108 %-
 109 extern FILE *yyin, *yyout;
 110 %*
 111
 112 #define EOB_ACT_CONTINUE_SCAN 0
 113 #define EOB_ACT_END_OF_FILE 1
 114 #define EOB_ACT_LAST_MATCH 2
 115
 116 /* The funky do-while in the following #define is used to turn the definition
 117  * int a single C statement (which needs a semi-colon terminator).  This
 118  * avoids problems with code like:
 119  *
 120  *      if ( condition_holds )
 121  *              yyless( 5 );
 122  *      else
 123  *              do_something_else();
 124  *
 125  * Prior to using the do-while the compiler would get upset at the
 126  * "else" because it interpreted the "if" statement as being all
 127  * done when it reached the ';' after the yyless() call.
 128  */
 129
 130 /* Return all but the first 'n' matched characters back to the input stream. */
 131
 132 #define yyless(n) \
 133         do \
 134                 { \
 135                 /* Undo effects of setting up yytext. */ \
 136                 *yy_cp = yy_hold_char; \
 137                 YY_RESTORE_YY_MORE_OFFSET \
 138                 yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
 139                 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
 140                 } \
 141         while ( 0 )
 142
 143 #define unput(c) yyunput( c, yytext_ptr )
 144
 145 /* The following is because we cannot portably get our hands on size_t
 146  * (without autoconf's help, which isn't available because we want
 147  * flex-generated scanners to compile on their own).
 148  */
 149 typedef unsigned int yy_size_t;
 150
 151
 152 struct yy_buffer_state
 153         {
 154 %-
 155         FILE *yy_input_file;
 156 %+
 157         istream* yy_input_file;
 158 %*
 159
 160         char *yy_ch_buf;                /* input buffer */
 161         char *yy_buf_pos;               /* current position in input buffer */
 162
 163         /* Size of input buffer in bytes, not including room for EOB
 164          * characters.
 165          */
 166         yy_size_t yy_buf_size;
 167
 168         /* Number of characters read into yy_ch_buf, not including EOB
 169          * characters.
 170          */
 171         int yy_n_chars;
 172
 173         /* Whether we "own" the buffer - i.e., we know we created it,
 174          * and can realloc() it to grow it, and should free() it to
 175          * delete it.
 176          */
 177         int yy_is_our_buffer;
 178
 179         /* Whether this is an "interactive" input source; if so, and
 180          * if we're using stdio for input, then we want to use getc()
 181          * instead of fread(), to make sure we stop fetching input after
 182          * each newline.
 183          */
 184         int yy_is_interactive;
 185
 186         /* Whether we're considered to be at the beginning of a line.
 187          * If so, '^' rules will be active on the next match, otherwise
 188          * not.
 189          */
 190         int yy_at_bol;
 191
 192         /* Whether to try to fill the input buffer when we reach the
 193          * end of it.
 194          */
 195         int yy_fill_buffer;
 196
 197         int yy_buffer_status;
 198 #define YY_BUFFER_NEW 0
 199 #define YY_BUFFER_NORMAL 1
 200         /* When an EOF's been seen but there's still some text to process
 201          * then we mark the buffer as YY_EOF_PENDING, to indicate that we
 202          * shouldn't try reading from the input source any more.  We might
 203          * still have a bunch of tokens to match, though, because of
 204          * possible backing-up.
 205          *
 206          * When we actually see the EOF, we change the status to "new"
 207          * (via yyrestart()), so that the user can continue scanning by
 208          * just pointing yyin at a new input file.
 209          */
 210 #define YY_BUFFER_EOF_PENDING 2
 211         };
 212
 213 %- Standard (non-C++) definition
 214 static YY_BUFFER_STATE yy_current_buffer = 0;
 215 %*
 216
 217 /* We provide macros for accessing buffer states in case in the
 218  * future we want to put the buffer states in a more general
 219  * "scanner state".
 220  */
 221 #define YY_CURRENT_BUFFER yy_current_buffer
 222
 223
 224 %- Standard (non-C++) definition
 225 /* yy_hold_char holds the character lost when yytext is formed. */
 226 static char yy_hold_char;
 227
 228 static int yy_n_chars;          /* number of characters read into yy_ch_buf */
 229
 230
 231 int yyleng;
 232
 233 /* Points to current character in buffer. */
 234 static char *yy_c_buf_p = (char *) 0;
 235 static int yy_init = 1;         /* whether we need to initialize */
 236 static int yy_start = 0;        /* start state number */
 237
 238 /* Flag which is used to allow yywrap()'s to do buffer switches
 239  * instead of setting up a fresh yyin.  A bit of a hack ...
 240  */
 241 static int yy_did_buffer_switch_on_eof;
 242
 243 void yyrestart YY_PROTO(( FILE *input_file ));
 244
 245 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
 246 void yy_load_buffer_state YY_PROTO(( void ));
 247 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
 248 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 249 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
 250 void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 251 #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
 252
 253 YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
 254 YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
 255 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
 256 %*
 257
 258 static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
 259 static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
 260 static void yy_flex_free YY_PROTO(( void * ));
 261
 262 #define yy_new_buffer yy_create_buffer
 263
 264 #define yy_set_interactive(is_interactive) \
 265         { \
 266         if ( ! yy_current_buffer ) \
 267                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 268         yy_current_buffer->yy_is_interactive = is_interactive; \
 269         }
 270
 271 #define yy_set_bol(at_bol) \
 272         { \
 273         if ( ! yy_current_buffer ) \
 274                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 275         yy_current_buffer->yy_at_bol = at_bol; \
 276         }
 277
 278 #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
 279
 280 %% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
 281
 282 %- Standard (non-C++) definition
 283 static yy_state_type yy_get_previous_state YY_PROTO(( void ));
 284 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
 285 static int yy_get_next_buffer YY_PROTO(( void ));
 286 static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
 287 %*
 288
 289 /* Done after the current pattern has been matched and before the
 290  * corresponding action - sets up yytext.
 291  */
 292 #define YY_DO_BEFORE_ACTION \
 293         yytext_ptr = yy_bp; \
 294 %% code to fiddle yytext and yyleng for yymore() goes here
 295         yy_hold_char = *yy_cp; \
 296         *yy_cp = '\0'; \
 297 %% code to copy yytext_ptr to yytext[] goes here, if %array
 298         yy_c_buf_p = yy_cp;
 299
 300 %% data tables for the DFA and the user's section 1 definitions go here
 301
 302 /* Macros after this point can all be overridden by user definitions in
 303  * section 1.
 304  */
 305
 306 #ifndef YY_SKIP_YYWRAP
 307 #ifdef __cplusplus
 308 extern "C" int yywrap YY_PROTO(( void ));
 309 #else
 310 extern int yywrap YY_PROTO(( void ));
 311 #endif
 312 #endif
 313
 314 %-
 315 #ifndef YY_NO_UNPUT
 316 static void yyunput YY_PROTO(( int c, char *buf_ptr ));
 317 #endif
 318 %*
 319
 320 #ifndef yytext_ptr
 321 static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
 322 #endif
 323
 324 #ifdef YY_NEED_STRLEN
 325 static int yy_flex_strlen YY_PROTO(( yyconst char * ));
 326 #endif
 327
 328 #ifndef YY_NO_INPUT
 329 %- Standard (non-C++) definition
 330 #ifdef __cplusplus
 331 static int yyinput YY_PROTO(( void ));
 332 #else
 333 static int input YY_PROTO(( void ));
 334 #endif
 335 %*
 336 #endif
 337
 338 #if YY_STACK_USED
 339 static int yy_start_stack_ptr = 0;
 340 static int yy_start_stack_depth = 0;
 341 static int *yy_start_stack = 0;
 342 #ifndef YY_NO_PUSH_STATE
 343 static void yy_push_state YY_PROTO(( int new_state ));
 344 #endif
 345 #ifndef YY_NO_POP_STATE
 346 static void yy_pop_state YY_PROTO(( void ));
 347 #endif
 348 #ifndef YY_NO_TOP_STATE
 349 static int yy_top_state YY_PROTO(( void ));
 350 #endif
 351
 352 #else
 353 #define YY_NO_PUSH_STATE 1
 354 #define YY_NO_POP_STATE 1
 355 #define YY_NO_TOP_STATE 1
 356 #endif
 357
 358 #ifdef YY_MALLOC_DECL
 359 YY_MALLOC_DECL
 360 #else
 361 #if __STDC__
 362 #ifndef __cplusplus
 363 #include <stdlib.h>
 364 #endif
 365 #else
 366 /* Just try to get by without declaring the routines.  This will fail
 367  * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
 368  * or sizeof(void*) != sizeof(int).
 369  */
 370 #endif
 371 #endif
 372
 373 /* Amount of stuff to slurp up with each read. */
 374 #ifndef YY_READ_BUF_SIZE
 375 #define YY_READ_BUF_SIZE 8192
 376 #endif
 377
 378 /* Copy whatever the last rule matched to the standard output. */
 379
 380 #ifndef ECHO
 381 %- Standard (non-C++) definition
 382 /* This used to be an fputs(), but since the string might contain NUL's,
 383  * we now use fwrite().
 384  */
 385 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
 386 %+ C++ definition
 387 #define ECHO LexerOutput( yytext, yyleng )
 388 %*
 389 #endif
 390
 391 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 392  * is returned in "result".
 393  */
 394 #ifndef YY_INPUT
 395 #define YY_INPUT(buf,result,max_size) \
 396 %% fread()/read() definition of YY_INPUT goes here unless we're doing C++
 397 %+ C++ definition
 398         if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
 399                 YY_FATAL_ERROR( "input in flex scanner failed" );
 400 %*
 401 #endif
 402
 403 /* No semi-colon after return; correct usage is to write "yyterminate();" -
 404  * we don't want an extra ';' after the "return" because that will cause
 405  * some compilers to complain about unreachable statements.
 406  */
 407 #ifndef yyterminate
 408 #define yyterminate() return YY_NULL
 409 #endif
 410
 411 /* Number of entries by which start-condition stack grows. */
 412 #ifndef YY_START_STACK_INCR
 413 #define YY_START_STACK_INCR 25
 414 #endif
 415
 416 /* Report a fatal error. */
 417 #ifndef YY_FATAL_ERROR
 418 %-
 419 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
 420 %+
 421 #define YY_FATAL_ERROR(msg) LexerError( msg )
 422 %*
 423 #endif
 424
 425 /* Default declaration of generated scanner - a define so the user can
 426  * easily add parameters.
 427  */
 428 #ifndef YY_DECL
 429 %- Standard (non-C++) definition
 430 #define YY_DECL int yylex YY_PROTO(( void ))
 431 %+ C++ definition
 432 #define YY_DECL int yyFlexLexer::yylex()
 433 %*
 434 #endif
 435
 436 /* Code executed at the beginning of each rule, after yytext and yyleng
 437  * have been set up.
 438  */
 439 #ifndef YY_USER_ACTION
 440 #define YY_USER_ACTION
 441 #endif
 442
 443 /* Code executed at the end of each rule. */
 444 #ifndef YY_BREAK
 445 #define YY_BREAK break;
 446 #endif
 447
 448 %% YY_RULE_SETUP definition goes here
 449
 450 YY_DECL
 451         {
 452         register yy_state_type yy_current_state;
 453         register char *yy_cp, *yy_bp;
 454         register int yy_act;
 455
 456 %% user's declarations go here
 457
 458         if ( yy_init )
 459                 {
 460                 yy_init = 0;
 461
 462 #ifdef YY_USER_INIT
 463                 YY_USER_INIT;
 464 #endif
 465
 466                 if ( ! yy_start )
 467                         yy_start = 1;   /* first start state */
 468
 469                 if ( ! yyin )
 470 %-
 471                         yyin = stdin;
 472 %+
 473                         yyin = &cin;
 474 %*
 475
 476                 if ( ! yyout )
 477 %-
 478                         yyout = stdout;
 479 %+
 480                         yyout = &cout;
 481 %*
 482
 483                 if ( ! yy_current_buffer )
 484                         yy_current_buffer =
 485                                 yy_create_buffer( yyin, YY_BUF_SIZE );
 486
 487                 yy_load_buffer_state();
 488                 }
 489
 490         while ( 1 )             /* loops until end-of-file is reached */
 491                 {
 492 %% yymore()-related code goes here
 493                 yy_cp = yy_c_buf_p;
 494
 495                 /* Support of yytext. */
 496                 *yy_cp = yy_hold_char;
 497
 498                 /* yy_bp points to the position in yy_ch_buf of the start of
 499                  * the current run.
 500                  */
 501                 yy_bp = yy_cp;
 502
 503 %% code to set up and find next match goes here
 504
 505 yy_find_action:
 506 %% code to find the action number goes here
 507
 508                 YY_DO_BEFORE_ACTION;
 509
 510 %% code for yylineno update goes here
 511
 512 do_action:      /* This label is used only to access EOF actions. */
 513
 514 %% debug code goes here
 515
 516                 switch ( yy_act )
 517         { /* beginning of action switch */
 518 %% actions go here
 519
 520         case YY_END_OF_BUFFER:
 521                 {
 522                 /* Amount of text matched not including the EOB char. */
 523                 int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
 524
 525                 /* Undo the effects of YY_DO_BEFORE_ACTION. */
 526                 *yy_cp = yy_hold_char;
 527                 YY_RESTORE_YY_MORE_OFFSET
 528
 529                 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
 530                         {
 531                         /* We're scanning a new file or input source.  It's
 532                          * possible that this happened because the user
 533                          * just pointed yyin at a new source and called
 534                          * yylex().  If so, then we have to assure
 535                          * consistency between yy_current_buffer and our
 536                          * globals.  Here is the right place to do so, because
 537                          * this is the first action (other than possibly a
 538                          * back-up) that will match for the new input source.
 539                          */
 540                         yy_n_chars = yy_current_buffer->yy_n_chars;
 541                         yy_current_buffer->yy_input_file = yyin;
 542                         yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
 543                         }
 544
 545                 /* Note that here we test for yy_c_buf_p "<=" to the position
 546                  * of the first EOB in the buffer, since yy_c_buf_p will
 547                  * already have been incremented past the NUL character
 548                  * (since all states make transitions on EOB to the
 549                  * end-of-buffer state).  Contrast this with the test
 550                  * in input().
 551                  */
 552                 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 553                         { /* This was really a NUL. */
 554                         yy_state_type yy_next_state;
 555
 556                         yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
 557
 558                         yy_current_state = yy_get_previous_state();
 559
 560                         /* Okay, we're now positioned to make the NUL
 561                          * transition.  We couldn't have
 562                          * yy_get_previous_state() go ahead and do it
 563                          * for us because it doesn't know how to deal
 564                          * with the possibility of jamming (and we don't
 565                          * want to build jamming into it because then it
 566                          * will run more slowly).
 567                          */
 568
 569                         yy_next_state = yy_try_NUL_trans( yy_current_state );
 570
 571                         yy_bp = yytext_ptr + YY_MORE_ADJ;
 572
 573                         if ( yy_next_state )
 574                                 {
 575                                 /* Consume the NUL. */
 576                                 yy_cp = ++yy_c_buf_p;
 577                                 yy_current_state = yy_next_state;
 578                                 goto yy_match;
 579                                 }
 580
 581                         else
 582                                 {
 583 %% code to do back-up for compressed tables and set up yy_cp goes here
 584                                 goto yy_find_action;
 585                                 }
 586                         }
 587
 588                 else switch ( yy_get_next_buffer() )
 589                         {
 590                         case EOB_ACT_END_OF_FILE:
 591                                 {
 592                                 yy_did_buffer_switch_on_eof = 0;
 593
 594                                 if ( yywrap() )
 595                                         {
 596                                         /* Note: because we've taken care in
 597                                          * yy_get_next_buffer() to have set up
 598                                          * yytext, we can now set up
 599                                          * yy_c_buf_p so that if some total
 600                                          * hoser (like flex itself) wants to
 601                                          * call the scanner after we return the
 602                                          * YY_NULL, it'll still work - another
 603                                          * YY_NULL will get returned.
 604                                          */
 605                                         yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
 606
 607                                         yy_act = YY_STATE_EOF(YY_START);
 608                                         goto do_action;
 609                                         }
 610
 611                                 else
 612                                         {
 613                                         if ( ! yy_did_buffer_switch_on_eof )
 614                                                 YY_NEW_FILE;
 615                                         }
 616                                 break;
 617                                 }
 618
 619                         case EOB_ACT_CONTINUE_SCAN:
 620                                 yy_c_buf_p =
 621                                         yytext_ptr + yy_amount_of_matched_text;
 622
 623                                 yy_current_state = yy_get_previous_state();
 624
 625                                 yy_cp = yy_c_buf_p;
 626                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 627                                 goto yy_match;
 628
 629                         case EOB_ACT_LAST_MATCH:
 630                                 yy_c_buf_p =
 631                                 &yy_current_buffer->yy_ch_buf[yy_n_chars];
 632
 633                                 yy_current_state = yy_get_previous_state();
 634
 635                                 yy_cp = yy_c_buf_p;
 636                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 637                                 goto yy_find_action;
 638                         }
 639                 break;
 640                 }
 641
 642         default:
 643                 YY_FATAL_ERROR(
 644                         "fatal flex scanner internal error--no action found" );
 645         } /* end of action switch */
 646                 } /* end of scanning one token */
 647         } /* end of yylex */
 648
 649 %+
 650 yyFlexLexer::yyFlexLexer( istream* arg_yyin, ostream* arg_yyout )
 651         {
 652         yyin = arg_yyin;
 653         yyout = arg_yyout;
 654         yy_c_buf_p = 0;
 655         yy_init = 1;
 656         yy_start = 0;
 657         yy_flex_debug = 0;
 658         yylineno = 1;   // this will only get updated if %option yylineno
 659
 660         yy_did_buffer_switch_on_eof = 0;
 661
 662         yy_looking_for_trail_begin = 0;
 663         yy_more_flag = 0;
 664         yy_more_len = 0;
 665         yy_more_offset = yy_prev_more_offset = 0;
 666
 667         yy_start_stack_ptr = yy_start_stack_depth = 0;
 668         yy_start_stack = 0;
 669
 670         yy_current_buffer = 0;
 671
 672 #ifdef YY_USES_REJECT
 673         yy_state_buf = new yy_state_type[YY_BUF_SIZE + 2];
 674 #else
 675         yy_state_buf = 0;
 676 #endif
 677         }
 678
 679 yyFlexLexer::~yyFlexLexer()
 680         {
 681         delete yy_state_buf;
 682         yy_delete_buffer( yy_current_buffer );
 683         }
 684
 685 void yyFlexLexer::switch_streams( istream* new_in, ostream* new_out )
 686         {
 687         if ( new_in )
 688                 {
 689                 yy_delete_buffer( yy_current_buffer );
 690                 yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE ) );
 691                 }
 692
 693         if ( new_out )
 694                 yyout = new_out;
 695         }
 696
 697 #ifdef YY_INTERACTIVE
 698 int yyFlexLexer::LexerInput( char* buf, int /* max_size */ )
 699 #else
 700 int yyFlexLexer::LexerInput( char* buf, int max_size )
 701 #endif
 702         {
 703         if ( yyin->eof() || yyin->fail() )
 704                 return 0;
 705
 706 #ifdef YY_INTERACTIVE
 707         yyin->get( buf[0] );
 708
 709         if ( yyin->eof() )
 710                 return 0;
 711
 712         if ( yyin->bad() )
 713                 return -1;
 714
 715         return 1;
 716
 717 #else
 718         (void) yyin->read( buf, max_size );
 719
 720         if ( yyin->bad() )
 721                 return -1;
 722         else
 723                 return yyin->gcount();
 724 #endif
 725         }
 726
 727 void yyFlexLexer::LexerOutput( const char* buf, int size )
 728         {
 729         (void) yyout->write( buf, size );
 730         }
 731 %*
 732
 733 /* yy_get_next_buffer - try to read in a new buffer
 734  *
 735  * Returns a code representing an action:
 736  *      EOB_ACT_LAST_MATCH -
 737  *      EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 738  *      EOB_ACT_END_OF_FILE - end of file
 739  */
 740
 741 %-
 742 static int yy_get_next_buffer()
 743 %+
 744 int yyFlexLexer::yy_get_next_buffer()
 745 %*
 746         {
 747         register char *dest = yy_current_buffer->yy_ch_buf;
 748         register char *source = yytext_ptr;
 749         register int number_to_move, i;
 750         int ret_val;
 751
 752         if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
 753                 YY_FATAL_ERROR(
 754                 "fatal flex scanner internal error--end of buffer missed" );
 755
 756         if ( yy_current_buffer->yy_fill_buffer == 0 )
 757                 { /* Don't try to fill the buffer, so this is an EOF. */
 758                 if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
 759                         {
 760                         /* We matched a single character, the EOB, so
 761                          * treat this as a final EOF.
 762                          */
 763                         return EOB_ACT_END_OF_FILE;
 764                         }
 765
 766                 else
 767                         {
 768                         /* We matched some text prior to the EOB, first
 769                          * process it.
 770                          */
 771                         return EOB_ACT_LAST_MATCH;
 772                         }
 773                 }
 774
 775         /* Try to read more data. */
 776
 777         /* First move last chars to start of buffer. */
 778         number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
 779
 780         for ( i = 0; i < number_to_move; ++i )
 781                 *(dest++) = *(source++);
 782
 783         if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
 784                 /* don't do the read, it's not guaranteed to return an EOF,
 785                  * just force an EOF
 786                  */
 787                 yy_current_buffer->yy_n_chars = yy_n_chars = 0;
 788
 789         else
 790                 {
 791                 int num_to_read =
 792                         yy_current_buffer->yy_buf_size - number_to_move - 1;
 793
 794                 while ( num_to_read <= 0 )
 795                         { /* Not enough room in the buffer - grow it. */
 796 #ifdef YY_USES_REJECT
 797                         YY_FATAL_ERROR(
 798 "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
 799 #else
 800
 801                         /* just a shorter name for the current buffer */
 802                         YY_BUFFER_STATE b = yy_current_buffer;
 803
 804                         int yy_c_buf_p_offset =
 805                                 (int) (yy_c_buf_p - b->yy_ch_buf);
 806
 807                         if ( b->yy_is_our_buffer )
 808                                 {
 809                                 int new_size = b->yy_buf_size * 2;
 810
 811                                 if ( new_size <= 0 )
 812                                         b->yy_buf_size += b->yy_buf_size / 8;
 813                                 else
 814                                         b->yy_buf_size *= 2;
 815
 816                                 b->yy_ch_buf = (char *)
 817                                         /* Include room in for 2 EOB chars. */
 818                                         yy_flex_realloc( (void *) b->yy_ch_buf,
 819                                                          b->yy_buf_size + 2 );
 820                                 }
 821                         else
 822                                 /* Can't grow it, we don't own it. */
 823                                 b->yy_ch_buf = 0;
 824
 825                         if ( ! b->yy_ch_buf )
 826                                 YY_FATAL_ERROR(
 827                                 "fatal error - scanner input buffer overflow" );
 828
 829                         yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
 830
 831                         num_to_read = yy_current_buffer->yy_buf_size -
 832                                                 number_to_move - 1;
 833 #endif
 834                         }
 835
 836                 if ( num_to_read > YY_READ_BUF_SIZE )
 837                         num_to_read = YY_READ_BUF_SIZE;
 838
 839                 /* Read in more data. */
 840                 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
 841                         yy_n_chars, num_to_read );
 842
 843                 yy_current_buffer->yy_n_chars = yy_n_chars;
 844                 }
 845
 846         if ( yy_n_chars == 0 )
 847                 {
 848                 if ( number_to_move == YY_MORE_ADJ )
 849                         {
 850                         ret_val = EOB_ACT_END_OF_FILE;
 851                         yyrestart( yyin );
 852                         }
 853
 854                 else
 855                         {
 856                         ret_val = EOB_ACT_LAST_MATCH;
 857                         yy_current_buffer->yy_buffer_status =
 858                                 YY_BUFFER_EOF_PENDING;
 859                         }
 860                 }
 861
 862         else
 863                 ret_val = EOB_ACT_CONTINUE_SCAN;
 864
 865         yy_n_chars += number_to_move;
 866         yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
 867         yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
 868
 869         yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
 870
 871         return ret_val;
 872         }
 873
 874
 875 /* yy_get_previous_state - get the state just before the EOB char was reached */
 876
 877 %-
 878 static yy_state_type yy_get_previous_state()
 879 %+
 880 yy_state_type yyFlexLexer::yy_get_previous_state()
 881 %*
 882         {
 883         register yy_state_type yy_current_state;
 884         register char *yy_cp;
 885
 886 %% code to get the start state into yy_current_state goes here
 887
 888         for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
 889                 {
 890 %% code to find the next state goes here
 891                 }
 892
 893         return yy_current_state;
 894         }
 895
 896
 897 /* yy_try_NUL_trans - try to make a transition on the NUL character
 898  *
 899  * synopsis
 900  *      next_state = yy_try_NUL_trans( current_state );
 901  */
 902
 903 %-
 904 #ifdef YY_USE_PROTOS
 905 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
 906 #else
 907 static yy_state_type yy_try_NUL_trans( yy_current_state )
 908 yy_state_type yy_current_state;
 909 #endif
 910 %+
 911 yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
 912 %*
 913         {
 914         register int yy_is_jam;
 915 %% code to find the next state, and perhaps do backing up, goes here
 916
 917         return yy_is_jam ? 0 : yy_current_state;
 918         }
 919
 920
 921 %-
 922 #ifndef YY_NO_UNPUT
 923 #ifdef YY_USE_PROTOS
 924 static void yyunput( int c, register char *yy_bp )
 925 #else
 926 static void yyunput( c, yy_bp )
 927 int c;
 928 register char *yy_bp;
 929 #endif
 930 %+
 931 void yyFlexLexer::yyunput( int c, register char* yy_bp )
 932 %*
 933         {
 934         register char *yy_cp = yy_c_buf_p;
 935
 936         /* undo effects of setting up yytext */
 937         *yy_cp = yy_hold_char;
 938
 939         if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 940                 { /* need to shift things up to make room */
 941                 /* +2 for EOB chars. */
 942                 register int number_to_move = yy_n_chars + 2;
 943                 register char *dest = &yy_current_buffer->yy_ch_buf[
 944                                         yy_current_buffer->yy_buf_size + 2];
 945                 register char *source =
 946                                 &yy_current_buffer->yy_ch_buf[number_to_move];
 947
 948                 while ( source > yy_current_buffer->yy_ch_buf )
 949                         *--dest = *--source;
 950
 951                 yy_cp += (int) (dest - source);
 952                 yy_bp += (int) (dest - source);
 953                 yy_current_buffer->yy_n_chars =
 954                         yy_n_chars = yy_current_buffer->yy_buf_size;
 955
 956                 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 957                         YY_FATAL_ERROR( "flex scanner push-back overflow" );
 958                 }
 959
 960         *--yy_cp = (char) c;
 961
 962 %% update yylineno here
 963
 964         yytext_ptr = yy_bp;
 965         yy_hold_char = *yy_cp;
 966         yy_c_buf_p = yy_cp;
 967         }
 968 %-
 969 #endif  /* ifndef YY_NO_UNPUT */
 970 %*
 971
 972
 973 %-
 974 #ifdef __cplusplus
 975 static int yyinput()
 976 #else
 977 static int input()
 978 #endif
 979 %+
 980 int yyFlexLexer::yyinput()
 981 %*
 982         {
 983         int c;
 984
 985         *yy_c_buf_p = yy_hold_char;
 986
 987         if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
 988                 {
 989                 /* yy_c_buf_p now points to the character we want to return.
 990                  * If this occurs *before* the EOB characters, then it's a
 991                  * valid NUL; if not, then we've hit the end of the buffer.
 992                  */
 993                 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 994                         /* This was really a NUL. */
 995                         *yy_c_buf_p = '\0';
 996
 997                 else
 998                         { /* need more input */
 999                         int offset = yy_c_buf_p - yytext_ptr;
1000                         ++yy_c_buf_p;
1001
1002                         switch ( yy_get_next_buffer() )
1003                                 {
1004                                 case EOB_ACT_LAST_MATCH:
1005                                         /* This happens because yy_g_n_b()
1006                                          * sees that we've accumulated a
1007                                          * token and flags that we need to
1008                                          * try matching the token before
1009                                          * proceeding.  But for input(),
1010                                          * there's no matching to consider.
1011                                          * So convert the EOB_ACT_LAST_MATCH
1012                                          * to EOB_ACT_END_OF_FILE.
1013                                          */
1014
1015                                         /* Reset buffer status. */
1016                                         yyrestart( yyin );
1017
1018                                         /* fall through */
1019
1020                                 case EOB_ACT_END_OF_FILE:
1021                                         {
1022                                         if ( yywrap() )
1023                                                 return EOF;
1024
1025                                         if ( ! yy_did_buffer_switch_on_eof )
1026                                                 YY_NEW_FILE;
1027 #ifdef __cplusplus
1028                                         return yyinput();
1029 #else
1030                                         return input();
1031 #endif
1032                                         }
1033
1034                                 case EOB_ACT_CONTINUE_SCAN:
1035                                         yy_c_buf_p = yytext_ptr + offset;
1036                                         break;
1037                                 }
1038                         }
1039                 }
1040
1041         c = *(unsigned char *) yy_c_buf_p;      /* cast for 8-bit char's */
1042         *yy_c_buf_p = '\0';     /* preserve yytext */
1043         yy_hold_char = *++yy_c_buf_p;
1044
1045 %% update BOL and yylineno
1046
1047         return c;
1048         }
1049
1050
1051 %-
1052 #ifdef YY_USE_PROTOS
1053 void yyrestart( FILE *input_file )
1054 #else
1055 void yyrestart( input_file )
1056 FILE *input_file;
1057 #endif
1058 %+
1059 void yyFlexLexer::yyrestart( istream* input_file )
1060 %*
1061         {
1062         if ( ! yy_current_buffer )
1063                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
1064
1065         yy_init_buffer( yy_current_buffer, input_file );
1066         yy_load_buffer_state();
1067         }
1068
1069
1070 %-
1071 #ifdef YY_USE_PROTOS
1072 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1073 #else
1074 void yy_switch_to_buffer( new_buffer )
1075 YY_BUFFER_STATE new_buffer;
1076 #endif
1077 %+
1078 void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1079 %*
1080         {
1081         if ( yy_current_buffer == new_buffer )
1082                 return;
1083
1084         if ( yy_current_buffer )
1085                 {
1086                 /* Flush out information for old buffer. */
1087                 *yy_c_buf_p = yy_hold_char;
1088                 yy_current_buffer->yy_buf_pos = yy_c_buf_p;
1089                 yy_current_buffer->yy_n_chars = yy_n_chars;
1090                 }
1091
1092         yy_current_buffer = new_buffer;
1093         yy_load_buffer_state();
1094
1095         /* We don't actually know whether we did this switch during
1096          * EOF (yywrap()) processing, but the only time this flag
1097          * is looked at is after yywrap() is called, so it's safe
1098          * to go ahead and always set it.
1099          */
1100         yy_did_buffer_switch_on_eof = 1;
1101         }
1102
1103
1104 %-
1105 #ifdef YY_USE_PROTOS
1106 void yy_load_buffer_state( void )
1107 #else
1108 void yy_load_buffer_state()
1109 #endif
1110 %+
1111 void yyFlexLexer::yy_load_buffer_state()
1112 %*
1113         {
1114         yy_n_chars = yy_current_buffer->yy_n_chars;
1115         yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
1116         yyin = yy_current_buffer->yy_input_file;
1117         yy_hold_char = *yy_c_buf_p;
1118         }
1119
1120
1121 %-
1122 #ifdef YY_USE_PROTOS
1123 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
1124 #else
1125 YY_BUFFER_STATE yy_create_buffer( file, size )
1126 FILE *file;
1127 int size;
1128 #endif
1129 %+
1130 YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( istream* file, int size )
1131 %*
1132         {
1133         YY_BUFFER_STATE b;
1134
1135         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1136         if ( ! b )
1137                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1138
1139         b->yy_buf_size = size;
1140
1141         /* yy_ch_buf has to be 2 characters longer than the size given because
1142          * we need to put in 2 end-of-buffer characters.
1143          */
1144         b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
1145         if ( ! b->yy_ch_buf )
1146                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1147
1148         b->yy_is_our_buffer = 1;
1149
1150         yy_init_buffer( b, file );
1151
1152         return b;
1153         }
1154
1155
1156 %-
1157 #ifdef YY_USE_PROTOS
1158 void yy_delete_buffer( YY_BUFFER_STATE b )
1159 #else
1160 void yy_delete_buffer( b )
1161 YY_BUFFER_STATE b;
1162 #endif
1163 %+
1164 void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
1165 %*
1166         {
1167         if ( ! b )
1168                 return;
1169
1170         if ( b == yy_current_buffer )
1171                 yy_current_buffer = (YY_BUFFER_STATE) 0;
1172
1173         if ( b->yy_is_our_buffer )
1174                 yy_flex_free( (void *) b->yy_ch_buf );
1175
1176         yy_flex_free( (void *) b );
1177         }
1178
1179
1180 %-
1181 #ifndef YY_ALWAYS_INTERACTIVE
1182 #ifndef YY_NEVER_INTERACTIVE
1183 extern int isatty YY_PROTO(( int ));
1184 #endif
1185 #endif
1186
1187 #ifdef YY_USE_PROTOS
1188 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
1189 #else
1190 void yy_init_buffer( b, file )
1191 YY_BUFFER_STATE b;
1192 FILE *file;
1193 #endif
1194
1195 %+
1196 extern "C" int isatty YY_PROTO(( int ));
1197 void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, istream* file )
1198 %*
1199
1200         {
1201         yy_flush_buffer( b );
1202
1203         b->yy_input_file = file;
1204         b->yy_fill_buffer = 1;
1205
1206 %-
1207 #if YY_ALWAYS_INTERACTIVE
1208         b->yy_is_interactive = 1;
1209 #else
1210 #if YY_NEVER_INTERACTIVE
1211         b->yy_is_interactive = 0;
1212 #else
1213         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
1214 #endif
1215 #endif
1216 %+
1217         b->yy_is_interactive = 0;
1218 %*
1219         }
1220
1221
1222 %-
1223 #ifdef YY_USE_PROTOS
1224 void yy_flush_buffer( YY_BUFFER_STATE b )
1225 #else
1226 void yy_flush_buffer( b )
1227 YY_BUFFER_STATE b;
1228 #endif
1229
1230 %+
1231 void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b )
1232 %*
1233         {
1234         if ( ! b )
1235                 return;
1236
1237         b->yy_n_chars = 0;
1238
1239         /* We always need two end-of-buffer characters.  The first causes
1240          * a transition to the end-of-buffer state.  The second causes
1241          * a jam in that state.
1242          */
1243         b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1244         b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1245
1246         b->yy_buf_pos = &b->yy_ch_buf[0];
1247
1248         b->yy_at_bol = 1;
1249         b->yy_buffer_status = YY_BUFFER_NEW;
1250
1251         if ( b == yy_current_buffer )
1252                 yy_load_buffer_state();
1253         }
1254 %*
1255
1256
1257 #ifndef YY_NO_SCAN_BUFFER
1258 %-
1259 #ifdef YY_USE_PROTOS
1260 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
1261 #else
1262 YY_BUFFER_STATE yy_scan_buffer( base, size )
1263 char *base;
1264 yy_size_t size;
1265 #endif
1266         {
1267         YY_BUFFER_STATE b;
1268
1269         if ( size < 2 ||
1270              base[size-2] != YY_END_OF_BUFFER_CHAR ||
1271              base[size-1] != YY_END_OF_BUFFER_CHAR )
1272                 /* They forgot to leave room for the EOB's. */
1273                 return 0;
1274
1275         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1276         if ( ! b )
1277                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1278
1279         b->yy_buf_size = size - 2;      /* "- 2" to take care of EOB's */
1280         b->yy_buf_pos = b->yy_ch_buf = base;
1281         b->yy_is_our_buffer = 0;
1282         b->yy_input_file = 0;
1283         b->yy_n_chars = b->yy_buf_size;
1284         b->yy_is_interactive = 0;
1285         b->yy_at_bol = 1;
1286         b->yy_fill_buffer = 0;
1287         b->yy_buffer_status = YY_BUFFER_NEW;
1288
1289         yy_switch_to_buffer( b );
1290
1291         return b;
1292         }
1293 %*
1294 #endif
1295
1296
1297 #ifndef YY_NO_SCAN_STRING
1298 %-
1299 #ifdef YY_USE_PROTOS
1300 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
1301 #else
1302 YY_BUFFER_STATE yy_scan_string( yy_str )
1303 yyconst char *yy_str;
1304 #endif
1305         {
1306         int len;
1307         for ( len = 0; yy_str[len]; ++len )
1308                 ;
1309
1310         return yy_scan_bytes( yy_str, len );
1311         }
1312 %*
1313 #endif
1314
1315
1316 #ifndef YY_NO_SCAN_BYTES
1317 %-
1318 #ifdef YY_USE_PROTOS
1319 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
1320 #else
1321 YY_BUFFER_STATE yy_scan_bytes( bytes, len )
1322 yyconst char *bytes;
1323 int len;
1324 #endif
1325         {
1326         YY_BUFFER_STATE b;
1327         char *buf;
1328         yy_size_t n;
1329         int i;
1330
1331         /* Get memory for full buffer, including space for trailing EOB's. */
1332         n = len + 2;
1333         buf = (char *) yy_flex_alloc( n );
1334         if ( ! buf )
1335                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1336
1337         for ( i = 0; i < len; ++i )
1338                 buf[i] = bytes[i];
1339
1340         buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
1341
1342         b = yy_scan_buffer( buf, n );
1343         if ( ! b )
1344                 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1345
1346         /* It's okay to grow etc. this buffer, and we should throw it
1347          * away when we're done.
1348          */
1349         b->yy_is_our_buffer = 1;
1350
1351         return b;
1352         }
1353 %*
1354 #endif
1355
1356
1357 #ifndef YY_NO_PUSH_STATE
1358 %-
1359 #ifdef YY_USE_PROTOS
1360 static void yy_push_state( int new_state )
1361 #else
1362 static void yy_push_state( new_state )
1363 int new_state;
1364 #endif
1365 %+
1366 void yyFlexLexer::yy_push_state( int new_state )
1367 %*
1368         {
1369         if ( yy_start_stack_ptr >= yy_start_stack_depth )
1370                 {
1371                 yy_size_t new_size;
1372
1373                 yy_start_stack_depth += YY_START_STACK_INCR;
1374                 new_size = yy_start_stack_depth * sizeof( int );
1375
1376                 if ( ! yy_start_stack )
1377                         yy_start_stack = (int *) yy_flex_alloc( new_size );
1378
1379                 else
1380                         yy_start_stack = (int *) yy_flex_realloc(
1381                                         (void *) yy_start_stack, new_size );
1382
1383                 if ( ! yy_start_stack )
1384                         YY_FATAL_ERROR(
1385                         "out of memory expanding start-condition stack" );
1386                 }
1387
1388         yy_start_stack[yy_start_stack_ptr++] = YY_START;
1389
1390         BEGIN(new_state);
1391         }
1392 #endif
1393
1394
1395 #ifndef YY_NO_POP_STATE
1396 %-
1397 static void yy_pop_state()
1398 %+
1399 void yyFlexLexer::yy_pop_state()
1400 %*
1401         {
1402         if ( --yy_start_stack_ptr < 0 )
1403                 YY_FATAL_ERROR( "start-condition stack underflow" );
1404
1405         BEGIN(yy_start_stack[yy_start_stack_ptr]);
1406         }
1407 #endif
1408
1409
1410 #ifndef YY_NO_TOP_STATE
1411 %-
1412 static int yy_top_state()
1413 %+
1414 int yyFlexLexer::yy_top_state()
1415 %*
1416         {
1417         return yy_start_stack[yy_start_stack_ptr - 1];
1418         }
1419 #endif
1420
1421 #ifndef YY_EXIT_FAILURE
1422 #define YY_EXIT_FAILURE 2
1423 #endif
1424
1425 %-
1426 #ifdef YY_USE_PROTOS
1427 static void yy_fatal_error( yyconst char msg[] )
1428 #else
1429 static void yy_fatal_error( msg )
1430 char msg[];
1431 #endif
1432         {
1433         (void) fprintf( stderr, "%s\n", msg );
1434         exit( YY_EXIT_FAILURE );
1435         }
1436
1437 %+
1438
1439 void yyFlexLexer::LexerError( yyconst char msg[] )
1440         {
1441         cerr << msg << '\n';
1442         exit( YY_EXIT_FAILURE );
1443         }
1444 %*
1445
1446
1447 /* Redefine yyless() so it works in section 3 code. */
1448
1449 #undef yyless
1450 #define yyless(n) \
1451         do \
1452                 { \
1453                 /* Undo effects of setting up yytext. */ \
1454                 yytext[yyleng] = yy_hold_char; \
1455                 yy_c_buf_p = yytext + n; \
1456                 yy_hold_char = *yy_c_buf_p; \
1457                 *yy_c_buf_p = '\0'; \
1458                 yyleng = n; \
1459                 } \
1460         while ( 0 )
1461
1462
1463 /* Internal utility routines. */
1464
1465 #ifndef yytext_ptr
1466 #ifdef YY_USE_PROTOS
1467 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
1468 #else
1469 static void yy_flex_strncpy( s1, s2, n )
1470 char *s1;
1471 yyconst char *s2;
1472 int n;
1473 #endif
1474         {
1475         register int i;
1476         for ( i = 0; i < n; ++i )
1477                 s1[i] = s2[i];
1478         }
1479 #endif
1480
1481 #ifdef YY_NEED_STRLEN
1482 #ifdef YY_USE_PROTOS
1483 static int yy_flex_strlen( yyconst char *s )
1484 #else
1485 static int yy_flex_strlen( s )
1486 yyconst char *s;
1487 #endif
1488         {
1489         register int n;
1490         for ( n = 0; s[n]; ++n )
1491                 ;
1492
1493         return n;
1494         }
1495 #endif
1496
1497
1498 #ifdef YY_USE_PROTOS
1499 static void *yy_flex_alloc( yy_size_t size )
1500 #else
1501 static void *yy_flex_alloc( size )
1502 yy_size_t size;
1503 #endif
1504         {
1505         return (void *) malloc( size );
1506         }
1507
1508 #ifdef YY_USE_PROTOS
1509 static void *yy_flex_realloc( void *ptr, yy_size_t size )
1510 #else
1511 static void *yy_flex_realloc( ptr, size )
1512 void *ptr;
1513 yy_size_t size;
1514 #endif
1515         {
1516         /* The cast to (char *) in the following accommodates both
1517          * implementations that use char* generic pointers, and those
1518          * that use void* generic pointers.  It works with the latter
1519          * because both ANSI C and C++ allow castless assignment from
1520          * any pointer type to void*, and deal with argument conversions
1521          * as though doing an assignment.
1522          */
1523         return (void *) realloc( (char *) ptr, size );
1524         }
1525
1526 #ifdef YY_USE_PROTOS
1527 static void yy_flex_free( void *ptr )
1528 #else
1529 static void yy_flex_free( ptr )
1530 void *ptr;
1531 #endif
1532         {
1533         free( ptr );
1534         }
1535
1536 #if YY_MAIN
1537 int main()
1538         {
1539         yylex();
1540         return 0;
1541         }
1542 #endif