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  * $FreeBSD$
   6  */
   7
   8 #if defined(__FreeBSD__)
   9 #include <sys/cdefs.h>
  10 #else
  11 #define __unused
  12 #define __dead2
  13 #endif
  14
  15 #define FLEX_SCANNER
  16 #define YY_FLEX_MAJOR_VERSION 2
  17 #define YY_FLEX_MINOR_VERSION 5
  18
  19 %-
  20 #include <stdio.h>
  21 %*
  22
  23
  24 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
  25 #ifdef c_plusplus
  26 #ifndef __cplusplus
  27 #define __cplusplus
  28 #endif
  29 #endif
  30
  31
  32 #ifdef __cplusplus
  33
  34 #include <stdlib.h>
  35 %+
  36 #include <iosfwd>
  37 using namespace std;
  38 %*
  39 #include <unistd.h>
  40
  41 /* Use prototypes in function declarations. */
  42 #define YY_USE_PROTOS
  43
  44 /* The "const" storage-class-modifier is valid. */
  45 #define YY_USE_CONST
  46
  47 #else   /* ! __cplusplus */
  48
  49 #if __STDC__
  50
  51 #define YY_USE_PROTOS
  52 #define YY_USE_CONST
  53
  54 #endif  /* __STDC__ */
  55 #endif  /* ! __cplusplus */
  56
  57 #ifdef __TURBOC__
  58  #pragma warn -rch
  59  #pragma warn -use
  60 #include <io.h>
  61 #include <stdlib.h>
  62 #define YY_USE_CONST
  63 #define YY_USE_PROTOS
  64 #endif
  65
  66 #ifdef YY_USE_CONST
  67 #define yyconst const
  68 #else
  69 #define yyconst
  70 #endif
  71
  72
  73 #ifdef YY_USE_PROTOS
  74 #define YY_PROTO(proto) proto
  75 #else
  76 #define YY_PROTO(proto) ()
  77 #endif
  78
  79 /* Returned upon end-of-file. */
  80 #define YY_NULL 0
  81
  82 /* Promotes a possibly negative, possibly signed char to an unsigned
  83  * integer for use as an array index.  If the signed char is negative,
  84  * we want to instead treat it as an 8-bit unsigned char, hence the
  85  * double cast.
  86  */
  87 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
  88
  89 /* Enter a start condition.  This macro really ought to take a parameter,
  90  * but we do it the disgusting crufty way forced on us by the ()-less
  91  * definition of BEGIN.
  92  */
  93 #define BEGIN yy_start = 1 + 2 *
  94
  95 /* Translate the current start state into a value that can be later handed
  96  * to BEGIN to return to the state.  The YYSTATE alias is for lex
  97  * compatibility.
  98  */
  99 #define YY_START ((yy_start - 1) / 2)
 100 #define YYSTATE YY_START
 101
 102 /* Action number for EOF rule of a given start state. */
 103 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
 104
 105 /* Special action meaning "start processing a new file". */
 106 #define YY_NEW_FILE yyrestart( yyin )
 107
 108 #define YY_END_OF_BUFFER_CHAR 0
 109
 110 /* Size of default input buffer. */
 111 #define YY_BUF_SIZE 16384
 112
 113 typedef struct yy_buffer_state *YY_BUFFER_STATE;
 114
 115 extern int yyleng;
 116 %-
 117 extern FILE *yyin, *yyout;
 118 %*
 119
 120 #define EOB_ACT_CONTINUE_SCAN 0
 121 #define EOB_ACT_END_OF_FILE 1
 122 #define EOB_ACT_LAST_MATCH 2
 123
 124 /* The funky do-while in the following #define is used to turn the definition
 125  * int a single C statement (which needs a semi-colon terminator).  This
 126  * avoids problems with code like:
 127  *
 128  *      if ( condition_holds )
 129  *              yyless( 5 );
 130  *      else
 131  *              do_something_else();
 132  *
 133  * Prior to using the do-while the compiler would get upset at the
 134  * "else" because it interpreted the "if" statement as being all
 135  * done when it reached the ';' after the yyless() call.
 136  */
 137
 138 /* Return all but the first 'n' matched characters back to the input stream. */
 139
 140 #define yyless(n) \
 141         do \
 142                 { \
 143                 /* Undo effects of setting up yytext. */ \
 144                 *yy_cp = yy_hold_char; \
 145                 YY_RESTORE_YY_MORE_OFFSET \
 146                 yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
 147                 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
 148                 } \
 149         while ( 0 )
 150
 151 #define unput(c) yyunput( c, yytext_ptr )
 152
 153 /* The following is because we cannot portably get our hands on size_t
 154  * (without autoconf's help, which isn't available because we want
 155  * flex-generated scanners to compile on their own).
 156  */
 157 typedef unsigned int yy_size_t;
 158
 159
 160 struct yy_buffer_state
 161         {
 162 %-
 163         FILE *yy_input_file;
 164 %+
 165         istream* yy_input_file;
 166 %*
 167
 168         char *yy_ch_buf;                /* input buffer */
 169         char *yy_buf_pos;               /* current position in input buffer */
 170
 171         /* Size of input buffer in bytes, not including room for EOB
 172          * characters.
 173          */
 174         yy_size_t yy_buf_size;
 175
 176         /* Number of characters read into yy_ch_buf, not including EOB
 177          * characters.
 178          */
 179         int yy_n_chars;
 180
 181         /* Whether we "own" the buffer - i.e., we know we created it,
 182          * and can realloc() it to grow it, and should free() it to
 183          * delete it.
 184          */
 185         int yy_is_our_buffer;
 186
 187         /* Whether this is an "interactive" input source; if so, and
 188          * if we're using stdio for input, then we want to use getc()
 189          * instead of fread(), to make sure we stop fetching input after
 190          * each newline.
 191          */
 192         int yy_is_interactive;
 193
 194         /* Whether we're considered to be at the beginning of a line.
 195          * If so, '^' rules will be active on the next match, otherwise
 196          * not.
 197          */
 198         int yy_at_bol;
 199
 200         /* Whether to try to fill the input buffer when we reach the
 201          * end of it.
 202          */
 203         int yy_fill_buffer;
 204
 205         int yy_buffer_status;
 206 #define YY_BUFFER_NEW 0
 207 #define YY_BUFFER_NORMAL 1
 208         /* When an EOF's been seen but there's still some text to process
 209          * then we mark the buffer as YY_EOF_PENDING, to indicate that we
 210          * shouldn't try reading from the input source any more.  We might
 211          * still have a bunch of tokens to match, though, because of
 212          * possible backing-up.
 213          *
 214          * When we actually see the EOF, we change the status to "new"
 215          * (via yyrestart()), so that the user can continue scanning by
 216          * just pointing yyin at a new input file.
 217          */
 218 #define YY_BUFFER_EOF_PENDING 2
 219         };
 220
 221 %- Standard (non-C++) definition
 222 static YY_BUFFER_STATE yy_current_buffer = 0;
 223 %*
 224
 225 /* We provide macros for accessing buffer states in case in the
 226  * future we want to put the buffer states in a more general
 227  * "scanner state".
 228  */
 229 #define YY_CURRENT_BUFFER yy_current_buffer
 230
 231
 232 %- Standard (non-C++) definition
 233 /* yy_hold_char holds the character lost when yytext is formed. */
 234 static char yy_hold_char;
 235
 236 static int yy_n_chars;          /* number of characters read into yy_ch_buf */
 237
 238
 239 int yyleng;
 240
 241 /* Points to current character in buffer. */
 242 static char *yy_c_buf_p = (char *) 0;
 243 static int yy_init = 1;         /* whether we need to initialize */
 244 static int yy_start = 0;        /* start state number */
 245
 246 /* Flag which is used to allow yywrap()'s to do buffer switches
 247  * instead of setting up a fresh yyin.  A bit of a hack ...
 248  */
 249 static int yy_did_buffer_switch_on_eof;
 250
 251 void yyrestart YY_PROTO(( FILE *input_file ));
 252
 253 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
 254 void yy_load_buffer_state YY_PROTO(( void ));
 255 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
 256 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 257 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
 258 void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 259 #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
 260
 261 YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
 262 YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
 263 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
 264 %*
 265
 266 static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
 267 static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )) __unused;
 268 static void yy_flex_free YY_PROTO(( void * ));
 269
 270 #define yy_new_buffer yy_create_buffer
 271
 272 #define yy_set_interactive(is_interactive) \
 273         { \
 274         if ( ! yy_current_buffer ) \
 275                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 276         yy_current_buffer->yy_is_interactive = is_interactive; \
 277         }
 278
 279 #define yy_set_bol(at_bol) \
 280         { \
 281         if ( ! yy_current_buffer ) \
 282                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 283         yy_current_buffer->yy_at_bol = at_bol; \
 284         }
 285
 286 #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
 287
 288 %% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
 289
 290 %- Standard (non-C++) definition
 291 static yy_state_type yy_get_previous_state YY_PROTO(( void ));
 292 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
 293 static int yy_get_next_buffer YY_PROTO(( void ));
 294 static void yy_fatal_error YY_PROTO(( yyconst char msg[] )) __dead2;
 295 %*
 296
 297 /* Done after the current pattern has been matched and before the
 298  * corresponding action - sets up yytext.
 299  */
 300 #define YY_DO_BEFORE_ACTION \
 301         yytext_ptr = yy_bp; \
 302 %% code to fiddle yytext and yyleng for yymore() goes here
 303         yy_hold_char = *yy_cp; \
 304         *yy_cp = '\0'; \
 305 %% code to copy yytext_ptr to yytext[] goes here, if %array
 306         yy_c_buf_p = yy_cp;
 307
 308 %% data tables for the DFA and the user's section 1 definitions go here
 309
 310 /* Macros after this point can all be overridden by user definitions in
 311  * section 1.
 312  */
 313
 314 #ifndef YY_SKIP_YYWRAP
 315 #ifdef __cplusplus
 316 extern "C" int yywrap YY_PROTO(( void ));
 317 #else
 318 extern int yywrap YY_PROTO(( void ));
 319 #endif
 320 #endif
 321
 322 %-
 323 #ifndef YY_NO_UNPUT
 324 static void yyunput YY_PROTO(( int c, char *buf_ptr ));
 325 #endif
 326 %*
 327
 328 #ifndef yytext_ptr
 329 static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
 330 #endif
 331
 332 #ifdef YY_NEED_STRLEN
 333 static int yy_flex_strlen YY_PROTO(( yyconst char * ));
 334 #endif
 335
 336 #ifndef YY_NO_INPUT
 337 %- Standard (non-C++) definition
 338 #ifdef __cplusplus
 339 static int yyinput YY_PROTO(( void ));
 340 #else
 341 static int input YY_PROTO(( void ));
 342 #endif
 343 %*
 344 #endif
 345
 346 #if YY_STACK_USED
 347 static int yy_start_stack_ptr = 0;
 348 static int yy_start_stack_depth = 0;
 349 static int *yy_start_stack = 0;
 350 #ifndef YY_NO_PUSH_STATE
 351 static void yy_push_state YY_PROTO(( int new_state ));
 352 #endif
 353 #ifndef YY_NO_POP_STATE
 354 static void yy_pop_state YY_PROTO(( void ));
 355 #endif
 356 #ifndef YY_NO_TOP_STATE
 357 static int yy_top_state YY_PROTO(( void ));
 358 #endif
 359
 360 #else
 361 #define YY_NO_PUSH_STATE 1
 362 #define YY_NO_POP_STATE 1
 363 #define YY_NO_TOP_STATE 1
 364 #endif
 365
 366 #ifdef YY_MALLOC_DECL
 367 YY_MALLOC_DECL
 368 #else
 369 #if __STDC__
 370 #ifndef __cplusplus
 371 #include <stdlib.h>
 372 #endif
 373 #else
 374 /* Just try to get by without declaring the routines.  This will fail
 375  * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
 376  * or sizeof(void*) != sizeof(int).
 377  */
 378 #endif
 379 #endif
 380
 381 /* Amount of stuff to slurp up with each read. */
 382 #ifndef YY_READ_BUF_SIZE
 383 #define YY_READ_BUF_SIZE 8192
 384 #endif
 385
 386 /* Copy whatever the last rule matched to the standard output. */
 387
 388 #ifndef ECHO
 389 %- Standard (non-C++) definition
 390 /* This used to be an fputs(), but since the string might contain NUL's,
 391  * we now use fwrite().
 392  */
 393 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
 394 %+ C++ definition
 395 #define ECHO LexerOutput( yytext, yyleng )
 396 %*
 397 #endif
 398
 399 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 400  * is returned in "result".
 401  */
 402 #ifndef YY_INPUT
 403 #define YY_INPUT(buf,result,max_size) \
 404 %% fread()/read() definition of YY_INPUT goes here unless we're doing C++
 405 %+ C++ definition
 406         if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
 407                 YY_FATAL_ERROR( "input in flex scanner failed" );
 408 %*
 409 #endif
 410
 411 /* No semi-colon after return; correct usage is to write "yyterminate();" -
 412  * we don't want an extra ';' after the "return" because that will cause
 413  * some compilers to complain about unreachable statements.
 414  */
 415 #ifndef yyterminate
 416 #define yyterminate() return YY_NULL
 417 #endif
 418
 419 /* Number of entries by which start-condition stack grows. */
 420 #ifndef YY_START_STACK_INCR
 421 #define YY_START_STACK_INCR 25
 422 #endif
 423
 424 /* Report a fatal error. */
 425 #ifndef YY_FATAL_ERROR
 426 %-
 427 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
 428 %+
 429 #define YY_FATAL_ERROR(msg) LexerError( msg )
 430 %*
 431 #endif
 432
 433 /* Default declaration of generated scanner - a define so the user can
 434  * easily add parameters.
 435  */
 436 #ifndef YY_DECL
 437 %- Standard (non-C++) definition
 438 #define YY_DECL int yylex YY_PROTO(( void ))
 439 %+ C++ definition
 440 #define YY_DECL int yyFlexLexer::yylex()
 441 %*
 442 #endif
 443
 444 /* Code executed at the beginning of each rule, after yytext and yyleng
 445  * have been set up.
 446  */
 447 #ifndef YY_USER_ACTION
 448 #define YY_USER_ACTION
 449 #endif
 450
 451 /* Code executed at the end of each rule. */
 452 #ifndef YY_BREAK
 453 #define YY_BREAK break;
 454 #endif
 455
 456 %% YY_RULE_SETUP definition goes here
 457
 458 YY_DECL
 459         {
 460         yy_state_type yy_current_state;
 461         char *yy_cp, *yy_bp;
 462         int yy_act;
 463
 464 %% user's declarations go here
 465
 466         if ( yy_init )
 467                 {
 468                 yy_init = 0;
 469
 470 #ifdef YY_USER_INIT
 471                 YY_USER_INIT;
 472 #endif
 473
 474                 if ( ! yy_start )
 475                         yy_start = 1;   /* first start state */
 476
 477                 if ( ! yyin )
 478 %-
 479                         yyin = stdin;
 480 %+
 481                         yyin = &cin;
 482 %*
 483
 484                 if ( ! yyout )
 485 %-
 486                         yyout = stdout;
 487 %+
 488                         yyout = &cout;
 489 %*
 490
 491                 if ( ! yy_current_buffer )
 492                         yy_current_buffer =
 493                                 yy_create_buffer( yyin, YY_BUF_SIZE );
 494
 495                 yy_load_buffer_state();
 496                 }
 497
 498         while ( 1 )             /* loops until end-of-file is reached */
 499                 {
 500 %% yymore()-related code goes here
 501                 yy_cp = yy_c_buf_p;
 502
 503                 /* Support of yytext. */
 504                 *yy_cp = yy_hold_char;
 505
 506                 /* yy_bp points to the position in yy_ch_buf of the start of
 507                  * the current run.
 508                  */
 509                 yy_bp = yy_cp;
 510
 511 %% code to set up and find next match goes here
 512
 513 yy_find_action:
 514 %% code to find the action number goes here
 515
 516                 YY_DO_BEFORE_ACTION;
 517
 518 %% code for yylineno update goes here
 519
 520 do_action:      /* This label is used only to access EOF actions. */
 521
 522 %% debug code goes here
 523
 524                 switch ( yy_act )
 525         { /* beginning of action switch */
 526 %% actions go here
 527
 528         case YY_END_OF_BUFFER:
 529                 {
 530                 /* Amount of text matched not including the EOB char. */
 531                 int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
 532
 533                 /* Undo the effects of YY_DO_BEFORE_ACTION. */
 534                 *yy_cp = yy_hold_char;
 535                 YY_RESTORE_YY_MORE_OFFSET
 536
 537                 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
 538                         {
 539                         /* We're scanning a new file or input source.  It's
 540                          * possible that this happened because the user
 541                          * just pointed yyin at a new source and called
 542                          * yylex().  If so, then we have to assure
 543                          * consistency between yy_current_buffer and our
 544                          * globals.  Here is the right place to do so, because
 545                          * this is the first action (other than possibly a
 546                          * back-up) that will match for the new input source.
 547                          */
 548                         yy_n_chars = yy_current_buffer->yy_n_chars;
 549                         yy_current_buffer->yy_input_file = yyin;
 550                         yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
 551                         }
 552
 553                 /* Note that here we test for yy_c_buf_p "<=" to the position
 554                  * of the first EOB in the buffer, since yy_c_buf_p will
 555                  * already have been incremented past the NUL character
 556                  * (since all states make transitions on EOB to the
 557                  * end-of-buffer state).  Contrast this with the test
 558                  * in input().
 559                  */
 560                 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 561                         { /* This was really a NUL. */
 562                         yy_state_type yy_next_state;
 563
 564                         yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
 565
 566                         yy_current_state = yy_get_previous_state();
 567
 568                         /* Okay, we're now positioned to make the NUL
 569                          * transition.  We couldn't have
 570                          * yy_get_previous_state() go ahead and do it
 571                          * for us because it doesn't know how to deal
 572                          * with the possibility of jamming (and we don't
 573                          * want to build jamming into it because then it
 574                          * will run more slowly).
 575                          */
 576
 577                         yy_next_state = yy_try_NUL_trans( yy_current_state );
 578
 579                         yy_bp = yytext_ptr + YY_MORE_ADJ;
 580
 581                         if ( yy_next_state )
 582                                 {
 583                                 /* Consume the NUL. */
 584                                 yy_cp = ++yy_c_buf_p;
 585                                 yy_current_state = yy_next_state;
 586                                 goto yy_match;
 587                                 }
 588
 589                         else
 590                                 {
 591 %% code to do back-up for compressed tables and set up yy_cp goes here
 592                                 goto yy_find_action;
 593                                 }
 594                         }
 595
 596                 else switch ( yy_get_next_buffer() )
 597                         {
 598                         case EOB_ACT_END_OF_FILE:
 599                                 {
 600                                 yy_did_buffer_switch_on_eof = 0;
 601
 602                                 if ( yywrap() )
 603                                         {
 604                                         /* Note: because we've taken care in
 605                                          * yy_get_next_buffer() to have set up
 606                                          * yytext, we can now set up
 607                                          * yy_c_buf_p so that if some total
 608                                          * hoser (like flex itself) wants to
 609                                          * call the scanner after we return the
 610                                          * YY_NULL, it'll still work - another
 611                                          * YY_NULL will get returned.
 612                                          */
 613                                         yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
 614
 615                                         yy_act = YY_STATE_EOF(YY_START);
 616                                         goto do_action;
 617                                         }
 618
 619                                 else
 620                                         {
 621                                         if ( ! yy_did_buffer_switch_on_eof )
 622                                                 YY_NEW_FILE;
 623                                         }
 624                                 break;
 625                                 }
 626
 627                         case EOB_ACT_CONTINUE_SCAN:
 628                                 yy_c_buf_p =
 629                                         yytext_ptr + yy_amount_of_matched_text;
 630
 631                                 yy_current_state = yy_get_previous_state();
 632
 633                                 yy_cp = yy_c_buf_p;
 634                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 635                                 goto yy_match;
 636
 637                         case EOB_ACT_LAST_MATCH:
 638                                 yy_c_buf_p =
 639                                 &yy_current_buffer->yy_ch_buf[yy_n_chars];
 640
 641                                 yy_current_state = yy_get_previous_state();
 642
 643                                 yy_cp = yy_c_buf_p;
 644                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 645                                 goto yy_find_action;
 646                         }
 647                 break;
 648                 }
 649
 650         default:
 651                 YY_FATAL_ERROR(
 652                         "fatal flex scanner internal error--no action found" );
 653         } /* end of action switch */
 654                 } /* end of scanning one token */
 655         } /* end of yylex */
 656
 657 %+
 658 yyFlexLexer::yyFlexLexer( istream* arg_yyin, ostream* arg_yyout )
 659         {
 660         yyin = arg_yyin;
 661         yyout = arg_yyout;
 662         yy_c_buf_p = 0;
 663         yy_init = 1;
 664         yy_start = 0;
 665         yy_flex_debug = 0;
 666         yylineno = 1;   // this will only get updated if %option yylineno
 667
 668         yy_did_buffer_switch_on_eof = 0;
 669
 670         yy_looking_for_trail_begin = 0;
 671         yy_more_flag = 0;
 672         yy_more_len = 0;
 673         yy_more_offset = yy_prev_more_offset = 0;
 674
 675         yy_start_stack_ptr = yy_start_stack_depth = 0;
 676         yy_start_stack = 0;
 677
 678         yy_current_buffer = 0;
 679
 680 #ifdef YY_USES_REJECT
 681         yy_state_buf = new yy_state_type[YY_BUF_SIZE + 2];
 682 #else
 683         yy_state_buf = 0;
 684 #endif
 685         }
 686
 687 yyFlexLexer::~yyFlexLexer()
 688         {
 689         delete yy_state_buf;
 690         yy_delete_buffer( yy_current_buffer );
 691         }
 692
 693 void yyFlexLexer::switch_streams( istream* new_in, ostream* new_out )
 694         {
 695         if ( new_in )
 696                 {
 697                 yy_delete_buffer( yy_current_buffer );
 698                 yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE ) );
 699                 }
 700
 701         if ( new_out )
 702                 yyout = new_out;
 703         }
 704
 705 #ifdef YY_INTERACTIVE
 706 int yyFlexLexer::LexerInput( char* buf, int /* max_size */ )
 707 #else
 708 int yyFlexLexer::LexerInput( char* buf, int max_size )
 709 #endif
 710         {
 711         if ( yyin->eof() || yyin->fail() )
 712                 return 0;
 713
 714 #ifdef YY_INTERACTIVE
 715         yyin->get( buf[0] );
 716
 717         if ( yyin->eof() )
 718                 return 0;
 719
 720         if ( yyin->bad() )
 721                 return -1;
 722
 723         return 1;
 724
 725 #else
 726         (void) yyin->read( buf, max_size );
 727
 728         if ( yyin->bad() )
 729                 return -1;
 730         else
 731                 return yyin->gcount();
 732 #endif
 733         }
 734
 735 void yyFlexLexer::LexerOutput( const char* buf, int size )
 736         {
 737         (void) yyout->write( buf, size );
 738         }
 739 %*
 740
 741 /* yy_get_next_buffer - try to read in a new buffer
 742  *
 743  * Returns a code representing an action:
 744  *      EOB_ACT_LAST_MATCH -
 745  *      EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 746  *      EOB_ACT_END_OF_FILE - end of file
 747  */
 748
 749 %-
 750 #ifdef YY_USE_PROTOS
 751 static int yy_get_next_buffer(void)
 752 #else
 753 static int yy_get_next_buffer()
 754 #endif
 755 %+
 756 int yyFlexLexer::yy_get_next_buffer()
 757 %*
 758         {
 759         char *dest = yy_current_buffer->yy_ch_buf;
 760         char *source = yytext_ptr;
 761         int number_to_move, i;
 762         int ret_val;
 763
 764         if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
 765                 YY_FATAL_ERROR(
 766                 "fatal flex scanner internal error--end of buffer missed" );
 767
 768         if ( yy_current_buffer->yy_fill_buffer == 0 )
 769                 { /* Don't try to fill the buffer, so this is an EOF. */
 770                 if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
 771                         {
 772                         /* We matched a single character, the EOB, so
 773                          * treat this as a final EOF.
 774                          */
 775                         return EOB_ACT_END_OF_FILE;
 776                         }
 777
 778                 else
 779                         {
 780                         /* We matched some text prior to the EOB, first
 781                          * process it.
 782                          */
 783                         return EOB_ACT_LAST_MATCH;
 784                         }
 785                 }
 786
 787         /* Try to read more data. */
 788
 789         /* First move last chars to start of buffer. */
 790         number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
 791
 792         for ( i = 0; i < number_to_move; ++i )
 793                 *(dest++) = *(source++);
 794
 795         if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
 796                 /* don't do the read, it's not guaranteed to return an EOF,
 797                  * just force an EOF
 798                  */
 799                 yy_current_buffer->yy_n_chars = yy_n_chars = 0;
 800
 801         else
 802                 {
 803                 int num_to_read =
 804                         yy_current_buffer->yy_buf_size - number_to_move - 1;
 805
 806                 while ( num_to_read <= 0 )
 807                         { /* Not enough room in the buffer - grow it. */
 808 #ifdef YY_USES_REJECT
 809                         YY_FATAL_ERROR(
 810 "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
 811 #else
 812
 813                         /* just a shorter name for the current buffer */
 814                         YY_BUFFER_STATE b = yy_current_buffer;
 815
 816                         int yy_c_buf_p_offset =
 817                                 (int) (yy_c_buf_p - b->yy_ch_buf);
 818
 819                         if ( b->yy_is_our_buffer )
 820                                 {
 821                                 int new_size = b->yy_buf_size * 2;
 822
 823                                 if ( new_size <= 0 )
 824                                         b->yy_buf_size += b->yy_buf_size / 8;
 825                                 else
 826                                         b->yy_buf_size *= 2;
 827
 828                                 b->yy_ch_buf = (char *)
 829                                         /* Include room in for 2 EOB chars. */
 830                                         yy_flex_realloc( (void *) b->yy_ch_buf,
 831                                                          b->yy_buf_size + 2 );
 832                                 }
 833                         else
 834                                 /* Can't grow it, we don't own it. */
 835                                 b->yy_ch_buf = 0;
 836
 837                         if ( ! b->yy_ch_buf )
 838                                 YY_FATAL_ERROR(
 839                                 "fatal error - scanner input buffer overflow" );
 840
 841                         yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
 842
 843                         num_to_read = yy_current_buffer->yy_buf_size -
 844                                                 number_to_move - 1;
 845 #endif
 846                         }
 847
 848                 if ( num_to_read > YY_READ_BUF_SIZE )
 849                         num_to_read = YY_READ_BUF_SIZE;
 850
 851                 /* Read in more data. */
 852                 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
 853                         yy_n_chars, num_to_read );
 854
 855                 yy_current_buffer->yy_n_chars = yy_n_chars;
 856                 }
 857
 858         if ( yy_n_chars == 0 )
 859                 {
 860                 if ( number_to_move == YY_MORE_ADJ )
 861                         {
 862                         ret_val = EOB_ACT_END_OF_FILE;
 863                         yyrestart( yyin );
 864                         }
 865
 866                 else
 867                         {
 868                         ret_val = EOB_ACT_LAST_MATCH;
 869                         yy_current_buffer->yy_buffer_status =
 870                                 YY_BUFFER_EOF_PENDING;
 871                         }
 872                 }
 873
 874         else
 875                 ret_val = EOB_ACT_CONTINUE_SCAN;
 876
 877         yy_n_chars += number_to_move;
 878         yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
 879         yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
 880
 881         yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
 882
 883         return ret_val;
 884         }
 885
 886
 887 /* yy_get_previous_state - get the state just before the EOB char was reached */
 888
 889 %-
 890 #ifdef YY_USE_PROTOS
 891 static yy_state_type yy_get_previous_state(void)
 892 #else
 893 static yy_state_type yy_get_previous_state()
 894 #endif
 895 %+
 896 yy_state_type yyFlexLexer::yy_get_previous_state()
 897 %*
 898         {
 899         yy_state_type yy_current_state;
 900         char *yy_cp;
 901
 902 %% code to get the start state into yy_current_state goes here
 903
 904         for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
 905                 {
 906 %% code to find the next state goes here
 907                 }
 908
 909         return yy_current_state;
 910         }
 911
 912
 913 /* yy_try_NUL_trans - try to make a transition on the NUL character
 914  *
 915  * synopsis
 916  *      next_state = yy_try_NUL_trans( current_state );
 917  */
 918
 919 %-
 920 #ifdef YY_USE_PROTOS
 921 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
 922 #else
 923 static yy_state_type yy_try_NUL_trans( yy_current_state )
 924 yy_state_type yy_current_state;
 925 #endif
 926 %+
 927 yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
 928 %*
 929         {
 930         int yy_is_jam;
 931 %% code to find the next state, and perhaps do backing up, goes here
 932
 933         return yy_is_jam ? 0 : yy_current_state;
 934         }
 935
 936
 937 %-
 938 #ifndef YY_NO_UNPUT
 939 #ifdef YY_USE_PROTOS
 940 static void yyunput( int c, char *yy_bp )
 941 #else
 942 static void yyunput( c, yy_bp )
 943 int c;
 944 char *yy_bp;
 945 #endif
 946 %+
 947 void yyFlexLexer::yyunput( int c, char* yy_bp )
 948 %*
 949         {
 950         char *yy_cp = yy_c_buf_p;
 951
 952         /* undo effects of setting up yytext */
 953         *yy_cp = yy_hold_char;
 954
 955         if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 956                 { /* need to shift things up to make room */
 957                 /* +2 for EOB chars. */
 958                 int number_to_move = yy_n_chars + 2;
 959                 char *dest = &yy_current_buffer->yy_ch_buf[
 960                                         yy_current_buffer->yy_buf_size + 2];
 961                 char *source =
 962                                 &yy_current_buffer->yy_ch_buf[number_to_move];
 963
 964                 while ( source > yy_current_buffer->yy_ch_buf )
 965                         *--dest = *--source;
 966
 967                 yy_cp += (int) (dest - source);
 968                 yy_bp += (int) (dest - source);
 969                 yy_current_buffer->yy_n_chars =
 970                         yy_n_chars = yy_current_buffer->yy_buf_size;
 971
 972                 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 973                         YY_FATAL_ERROR( "flex scanner push-back overflow" );
 974                 }
 975
 976         *--yy_cp = (char) c;
 977
 978 %% update yylineno here
 979
 980         yytext_ptr = yy_bp;
 981         yy_hold_char = *yy_cp;
 982         yy_c_buf_p = yy_cp;
 983         }
 984 %-
 985 #endif  /* ifndef YY_NO_UNPUT */
 986 %*
 987
 988
 989 %-
 990 #ifndef YY_NO_INPUT
 991 #ifdef __cplusplus
 992 static int yyinput()
 993 #else
 994 #ifdef YY_USE_PROTOS
 995 static int input(void)
 996 #else
 997 static int input()
 998 #endif
 999 #endif
1000 %+
1001 int yyFlexLexer::yyinput()
1002 %*
1003         {
1004         int c;
1005
1006         *yy_c_buf_p = yy_hold_char;
1007
1008         if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
1009                 {
1010                 /* yy_c_buf_p now points to the character we want to return.
1011                  * If this occurs *before* the EOB characters, then it's a
1012                  * valid NUL; if not, then we've hit the end of the buffer.
1013                  */
1014                 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
1015                         /* This was really a NUL. */
1016                         *yy_c_buf_p = '\0';
1017
1018                 else
1019                         { /* need more input */
1020                         int offset = yy_c_buf_p - yytext_ptr;
1021                         ++yy_c_buf_p;
1022
1023                         switch ( yy_get_next_buffer() )
1024                                 {
1025                                 case EOB_ACT_LAST_MATCH:
1026                                         /* This happens because yy_g_n_b()
1027                                          * sees that we've accumulated a
1028                                          * token and flags that we need to
1029                                          * try matching the token before
1030                                          * proceeding.  But for input(),
1031                                          * there's no matching to consider.
1032                                          * So convert the EOB_ACT_LAST_MATCH
1033                                          * to EOB_ACT_END_OF_FILE.
1034                                          */
1035
1036                                         /* Reset buffer status. */
1037                                         yyrestart( yyin );
1038
1039                                         /* fall through */
1040
1041                                 case EOB_ACT_END_OF_FILE:
1042                                         {
1043                                         if ( yywrap() )
1044                                                 return EOF;
1045
1046                                         if ( ! yy_did_buffer_switch_on_eof )
1047                                                 YY_NEW_FILE;
1048 #ifdef __cplusplus
1049                                         return yyinput();
1050 #else
1051                                         return input();
1052 #endif
1053                                         }
1054
1055                                 case EOB_ACT_CONTINUE_SCAN:
1056                                         yy_c_buf_p = yytext_ptr + offset;
1057                                         break;
1058                                 }
1059                         }
1060                 }
1061
1062         c = *(unsigned char *) yy_c_buf_p;      /* cast for 8-bit char's */
1063         *yy_c_buf_p = '\0';     /* preserve yytext */
1064         yy_hold_char = *++yy_c_buf_p;
1065
1066 %% update BOL and yylineno
1067
1068         return c;
1069         }
1070 %-
1071 #endif  /* ifndef YY_NO_INPUT */
1072 %*
1073
1074
1075 %-
1076 #ifdef YY_USE_PROTOS
1077 void yyrestart( FILE *input_file )
1078 #else
1079 void yyrestart( input_file )
1080 FILE *input_file;
1081 #endif
1082 %+
1083 void yyFlexLexer::yyrestart( istream* input_file )
1084 %*
1085         {
1086         if ( ! yy_current_buffer )
1087                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
1088
1089         yy_init_buffer( yy_current_buffer, input_file );
1090         yy_load_buffer_state();
1091         }
1092
1093
1094 %-
1095 #ifdef YY_USE_PROTOS
1096 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1097 #else
1098 void yy_switch_to_buffer( new_buffer )
1099 YY_BUFFER_STATE new_buffer;
1100 #endif
1101 %+
1102 void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1103 %*
1104         {
1105         if ( yy_current_buffer == new_buffer )
1106                 return;
1107
1108         if ( yy_current_buffer )
1109                 {
1110                 /* Flush out information for old buffer. */
1111                 *yy_c_buf_p = yy_hold_char;
1112                 yy_current_buffer->yy_buf_pos = yy_c_buf_p;
1113                 yy_current_buffer->yy_n_chars = yy_n_chars;
1114                 }
1115
1116         yy_current_buffer = new_buffer;
1117         yy_load_buffer_state();
1118
1119         /* We don't actually know whether we did this switch during
1120          * EOF (yywrap()) processing, but the only time this flag
1121          * is looked at is after yywrap() is called, so it's safe
1122          * to go ahead and always set it.
1123          */
1124         yy_did_buffer_switch_on_eof = 1;
1125         }
1126
1127
1128 %-
1129 #ifdef YY_USE_PROTOS
1130 void yy_load_buffer_state( void )
1131 #else
1132 void yy_load_buffer_state()
1133 #endif
1134 %+
1135 void yyFlexLexer::yy_load_buffer_state()
1136 %*
1137         {
1138         yy_n_chars = yy_current_buffer->yy_n_chars;
1139         yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
1140         yyin = yy_current_buffer->yy_input_file;
1141         yy_hold_char = *yy_c_buf_p;
1142         }
1143
1144
1145 %-
1146 #ifdef YY_USE_PROTOS
1147 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
1148 #else
1149 YY_BUFFER_STATE yy_create_buffer( file, size )
1150 FILE *file;
1151 int size;
1152 #endif
1153 %+
1154 YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( istream* file, int size )
1155 %*
1156         {
1157         YY_BUFFER_STATE b;
1158
1159         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1160         if ( ! b )
1161                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1162
1163         b->yy_buf_size = size;
1164
1165         /* yy_ch_buf has to be 2 characters longer than the size given because
1166          * we need to put in 2 end-of-buffer characters.
1167          */
1168         b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
1169         if ( ! b->yy_ch_buf )
1170                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1171
1172         b->yy_is_our_buffer = 1;
1173
1174         yy_init_buffer( b, file );
1175
1176         return b;
1177         }
1178
1179
1180 %-
1181 #ifdef YY_USE_PROTOS
1182 void yy_delete_buffer( YY_BUFFER_STATE b )
1183 #else
1184 void yy_delete_buffer( b )
1185 YY_BUFFER_STATE b;
1186 #endif
1187 %+
1188 void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
1189 %*
1190         {
1191         if ( ! b )
1192                 return;
1193
1194         if ( b == yy_current_buffer )
1195                 yy_current_buffer = (YY_BUFFER_STATE) 0;
1196
1197         if ( b->yy_is_our_buffer )
1198                 yy_flex_free( (void *) b->yy_ch_buf );
1199
1200         yy_flex_free( (void *) b );
1201         }
1202
1203
1204 %-
1205 #ifndef YY_ALWAYS_INTERACTIVE
1206 #ifndef YY_NEVER_INTERACTIVE
1207 extern int isatty YY_PROTO(( int ));
1208 #endif
1209 #endif
1210
1211 #ifdef YY_USE_PROTOS
1212 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
1213 #else
1214 void yy_init_buffer( b, file )
1215 YY_BUFFER_STATE b;
1216 FILE *file;
1217 #endif
1218
1219 %+
1220 extern "C" int isatty YY_PROTO(( int ));
1221 void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, istream* file )
1222 %*
1223
1224         {
1225         yy_flush_buffer( b );
1226
1227         b->yy_input_file = file;
1228         b->yy_fill_buffer = 1;
1229
1230 %-
1231 #if YY_ALWAYS_INTERACTIVE
1232         b->yy_is_interactive = 1;
1233 #else
1234 #if YY_NEVER_INTERACTIVE
1235         b->yy_is_interactive = 0;
1236 #else
1237         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
1238 #endif
1239 #endif
1240 %+
1241         b->yy_is_interactive = 0;
1242 %*
1243         }
1244
1245
1246 %-
1247 #ifdef YY_USE_PROTOS
1248 void yy_flush_buffer( YY_BUFFER_STATE b )
1249 #else
1250 void yy_flush_buffer( b )
1251 YY_BUFFER_STATE b;
1252 #endif
1253
1254 %+
1255 void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b )
1256 %*
1257         {
1258         if ( ! b )
1259                 return;
1260
1261         b->yy_n_chars = 0;
1262
1263         /* We always need two end-of-buffer characters.  The first causes
1264          * a transition to the end-of-buffer state.  The second causes
1265          * a jam in that state.
1266          */
1267         b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1268         b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1269
1270         b->yy_buf_pos = &b->yy_ch_buf[0];
1271
1272         b->yy_at_bol = 1;
1273         b->yy_buffer_status = YY_BUFFER_NEW;
1274
1275         if ( b == yy_current_buffer )
1276                 yy_load_buffer_state();
1277         }
1278 %*
1279
1280
1281 #ifndef YY_NO_SCAN_BUFFER
1282 %-
1283 #ifdef YY_USE_PROTOS
1284 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
1285 #else
1286 YY_BUFFER_STATE yy_scan_buffer( base, size )
1287 char *base;
1288 yy_size_t size;
1289 #endif
1290         {
1291         YY_BUFFER_STATE b;
1292
1293         if ( size < 2 ||
1294              base[size-2] != YY_END_OF_BUFFER_CHAR ||
1295              base[size-1] != YY_END_OF_BUFFER_CHAR )
1296                 /* They forgot to leave room for the EOB's. */
1297                 return 0;
1298
1299         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1300         if ( ! b )
1301                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1302
1303         b->yy_buf_size = size - 2;      /* "- 2" to take care of EOB's */
1304         b->yy_buf_pos = b->yy_ch_buf = base;
1305         b->yy_is_our_buffer = 0;
1306         b->yy_input_file = 0;
1307         b->yy_n_chars = b->yy_buf_size;
1308         b->yy_is_interactive = 0;
1309         b->yy_at_bol = 1;
1310         b->yy_fill_buffer = 0;
1311         b->yy_buffer_status = YY_BUFFER_NEW;
1312
1313         yy_switch_to_buffer( b );
1314
1315         return b;
1316         }
1317 %*
1318 #endif
1319
1320
1321 #ifndef YY_NO_SCAN_STRING
1322 %-
1323 #ifdef YY_USE_PROTOS
1324 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
1325 #else
1326 YY_BUFFER_STATE yy_scan_string( yy_str )
1327 yyconst char *yy_str;
1328 #endif
1329         {
1330         int len;
1331         for ( len = 0; yy_str[len]; ++len )
1332                 ;
1333
1334         return yy_scan_bytes( yy_str, len );
1335         }
1336 %*
1337 #endif
1338
1339
1340 #ifndef YY_NO_SCAN_BYTES
1341 %-
1342 #ifdef YY_USE_PROTOS
1343 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
1344 #else
1345 YY_BUFFER_STATE yy_scan_bytes( bytes, len )
1346 yyconst char *bytes;
1347 int len;
1348 #endif
1349         {
1350         YY_BUFFER_STATE b;
1351         char *buf;
1352         yy_size_t n;
1353         int i;
1354
1355         /* Get memory for full buffer, including space for trailing EOB's. */
1356         n = len + 2;
1357         buf = (char *) yy_flex_alloc( n );
1358         if ( ! buf )
1359                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1360
1361         for ( i = 0; i < len; ++i )
1362                 buf[i] = bytes[i];
1363
1364         buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
1365
1366         b = yy_scan_buffer( buf, n );
1367         if ( ! b )
1368                 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1369
1370         /* It's okay to grow etc. this buffer, and we should throw it
1371          * away when we're done.
1372          */
1373         b->yy_is_our_buffer = 1;
1374
1375         return b;
1376         }
1377 %*
1378 #endif
1379
1380
1381 #ifndef YY_NO_PUSH_STATE
1382 %-
1383 #ifdef YY_USE_PROTOS
1384 static void yy_push_state( int new_state )
1385 #else
1386 static void yy_push_state( new_state )
1387 int new_state;
1388 #endif
1389 %+
1390 void yyFlexLexer::yy_push_state( int new_state )
1391 %*
1392         {
1393         if ( yy_start_stack_ptr >= yy_start_stack_depth )
1394                 {
1395                 yy_size_t new_size;
1396
1397                 yy_start_stack_depth += YY_START_STACK_INCR;
1398                 new_size = yy_start_stack_depth * sizeof( int );
1399
1400                 if ( ! yy_start_stack )
1401                         yy_start_stack = (int *) yy_flex_alloc( new_size );
1402
1403                 else
1404                         yy_start_stack = (int *) yy_flex_realloc(
1405                                         (void *) yy_start_stack, new_size );
1406
1407                 if ( ! yy_start_stack )
1408                         YY_FATAL_ERROR(
1409                         "out of memory expanding start-condition stack" );
1410                 }
1411
1412         yy_start_stack[yy_start_stack_ptr++] = YY_START;
1413
1414         BEGIN(new_state);
1415         }
1416 #endif
1417
1418
1419 #ifndef YY_NO_POP_STATE
1420 %-
1421 #ifdef YY_USE_PROTOS
1422 static void yy_pop_state(void)
1423 #else
1424 static void yy_pop_state()
1425 #endif
1426 %+
1427 void yyFlexLexer::yy_pop_state()
1428 %*
1429         {
1430         if ( --yy_start_stack_ptr < 0 )
1431                 YY_FATAL_ERROR( "start-condition stack underflow" );
1432
1433         BEGIN(yy_start_stack[yy_start_stack_ptr]);
1434         }
1435 #endif
1436
1437
1438 #ifndef YY_NO_TOP_STATE
1439 %-
1440 #ifdef YY_USE_PROTOS
1441 static int yy_top_state(void)
1442 #else
1443 static int yy_top_state()
1444 #endif
1445 %+
1446 int yyFlexLexer::yy_top_state()
1447 %*
1448         {
1449         return yy_start_stack[yy_start_stack_ptr - 1];
1450         }
1451 #endif
1452
1453 #ifndef YY_EXIT_FAILURE
1454 #define YY_EXIT_FAILURE 2
1455 #endif
1456
1457 %-
1458 #ifdef YY_USE_PROTOS
1459 static void yy_fatal_error( yyconst char msg[] )
1460 #else
1461 static void yy_fatal_error( msg )
1462 char msg[];
1463 #endif
1464         {
1465         (void) fprintf( stderr, "%s\n", msg );
1466         exit( YY_EXIT_FAILURE );
1467         }
1468
1469 %+
1470
1471 void yyFlexLexer::LexerError( yyconst char msg[] )
1472         {
1473         cerr << msg << '\n';
1474         exit( YY_EXIT_FAILURE );
1475         }
1476 %*
1477
1478
1479 /* Redefine yyless() so it works in section 3 code. */
1480
1481 #undef yyless
1482 #define yyless(n) \
1483         do \
1484                 { \
1485                 /* Undo effects of setting up yytext. */ \
1486                 yytext[yyleng] = yy_hold_char; \
1487                 yy_c_buf_p = yytext + n; \
1488                 yy_hold_char = *yy_c_buf_p; \
1489                 *yy_c_buf_p = '\0'; \
1490                 yyleng = n; \
1491                 } \
1492         while ( 0 )
1493
1494
1495 /* Internal utility routines. */
1496
1497 #ifndef yytext_ptr
1498 #ifdef YY_USE_PROTOS
1499 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
1500 #else
1501 static void yy_flex_strncpy( s1, s2, n )
1502 char *s1;
1503 yyconst char *s2;
1504 int n;
1505 #endif
1506         {
1507         int i;
1508         for ( i = 0; i < n; ++i )
1509                 s1[i] = s2[i];
1510         }
1511 #endif
1512
1513 #ifdef YY_NEED_STRLEN
1514 #ifdef YY_USE_PROTOS
1515 static int yy_flex_strlen( yyconst char *s )
1516 #else
1517 static int yy_flex_strlen( s )
1518 yyconst char *s;
1519 #endif
1520         {
1521         int n;
1522         for ( n = 0; s[n]; ++n )
1523                 ;
1524
1525         return n;
1526         }
1527 #endif
1528
1529
1530 #ifdef YY_USE_PROTOS
1531 static void *yy_flex_alloc( yy_size_t size )
1532 #else
1533 static void *yy_flex_alloc( size )
1534 yy_size_t size;
1535 #endif
1536         {
1537         return (void *) malloc( size );
1538         }
1539
1540 #ifdef YY_USE_PROTOS
1541 static void *yy_flex_realloc( void *ptr, yy_size_t size )
1542 #else
1543 static void *yy_flex_realloc( ptr, size )
1544 void *ptr;
1545 yy_size_t size;
1546 #endif
1547         {
1548         /* The cast to (char *) in the following accommodates both
1549          * implementations that use char* generic pointers, and those
1550          * that use void* generic pointers.  It works with the latter
1551          * because both ANSI C and C++ allow castless assignment from
1552          * any pointer type to void*, and deal with argument conversions
1553          * as though doing an assignment.
1554          */
1555         return (void *) realloc( (char *) ptr, size );
1556         }
1557
1558 #ifdef YY_USE_PROTOS
1559 static void yy_flex_free( void *ptr )
1560 #else
1561 static void yy_flex_free( ptr )
1562 void *ptr;
1563 #endif
1564         {
1565         free( ptr );
1566         }
1567
1568 #if YY_MAIN
1569 int main()
1570         {
1571         yylex();
1572         return 0;
1573         }
1574 #endif