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  * $DragonFly: src/usr.bin/lex/flex.skl,v 1.9 2008/10/16 01:52:32 swildner Exp $
   7  */
   8
   9 #define FLEX_SCANNER
  10 #define YY_FLEX_MAJOR_VERSION 2
  11 #define YY_FLEX_MINOR_VERSION 5
  12
  13 %-
  14 #include <stdio.h>
  15 %*
  16
  17
  18 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
  19 #ifdef c_plusplus
  20 #ifndef __cplusplus
  21 #define __cplusplus
  22 #endif
  23 #endif
  24
  25
  26 #ifdef __cplusplus
  27
  28 #include <stdlib.h>
  29 %+
  30 #include <iosfwd>
  31 using namespace std;
  32 %*
  33 #include <unistd.h>
  34
  35 /* Use prototypes in function declarations. */
  36 #define YY_USE_PROTOS
  37
  38 /* The "const" storage-class-modifier is valid. */
  39 #define YY_USE_CONST
  40
  41 #else   /* ! __cplusplus */
  42
  43 #include <unistd.h>
  44
  45 #if __STDC__
  46
  47 #define YY_USE_PROTOS
  48 #define YY_USE_CONST
  49
  50 #endif  /* __STDC__ */
  51 #endif  /* ! __cplusplus */
  52
  53 #ifdef YY_USE_CONST
  54 #define yyconst const
  55 #else
  56 #define yyconst
  57 #endif
  58
  59
  60 #ifdef YY_USE_PROTOS
  61 #define YY_PROTO(proto) proto
  62 #else
  63 #define YY_PROTO(proto) ()
  64 #endif
  65
  66 /* Returned upon end-of-file. */
  67 #define YY_NULL 0
  68
  69 /* Promotes a possibly negative, possibly signed char to an unsigned
  70  * integer for use as an array index.  If the signed char is negative,
  71  * we want to instead treat it as an 8-bit unsigned char, hence the
  72  * double cast.
  73  */
  74 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
  75
  76 /* Enter a start condition.  This macro really ought to take a parameter,
  77  * but we do it the disgusting crufty way forced on us by the ()-less
  78  * definition of BEGIN.
  79  */
  80 #define BEGIN yy_start = 1 + 2 *
  81
  82 /* Translate the current start state into a value that can be later handed
  83  * to BEGIN to return to the state.  The YYSTATE alias is for lex
  84  * compatibility.
  85  */
  86 #define YY_START ((yy_start - 1) / 2)
  87 #define YYSTATE YY_START
  88
  89 /* Action number for EOF rule of a given start state. */
  90 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
  91
  92 /* Special action meaning "start processing a new file". */
  93 #define YY_NEW_FILE yyrestart( yyin )
  94
  95 #define YY_END_OF_BUFFER_CHAR 0
  96
  97 /* Size of default input buffer. */
  98 #define YY_BUF_SIZE 16384
  99
 100 typedef struct yy_buffer_state *YY_BUFFER_STATE;
 101
 102 extern int yyleng;
 103 %-
 104 extern FILE *yyin, *yyout;
 105 %*
 106
 107 #define EOB_ACT_CONTINUE_SCAN 0
 108 #define EOB_ACT_END_OF_FILE 1
 109 #define EOB_ACT_LAST_MATCH 2
 110
 111 /* The funky do-while in the following #define is used to turn the definition
 112  * int a single C statement (which needs a semi-colon terminator).  This
 113  * avoids problems with code like:
 114  *
 115  *      if ( condition_holds )
 116  *              yyless( 5 );
 117  *      else
 118  *              do_something_else();
 119  *
 120  * Prior to using the do-while the compiler would get upset at the
 121  * "else" because it interpreted the "if" statement as being all
 122  * done when it reached the ';' after the yyless() call.
 123  */
 124
 125 /* Return all but the first 'n' matched characters back to the input stream. */
 126
 127 #define yyless(n) \
 128         do \
 129                 { \
 130                 /* Undo effects of setting up yytext. */ \
 131                 *yy_cp = yy_hold_char; \
 132                 YY_RESTORE_YY_MORE_OFFSET \
 133                 yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
 134                 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
 135                 } \
 136         while ( 0 )
 137
 138 #define unput(c) yyunput( c, yytext_ptr )
 139
 140 /* The following is because we cannot portably get our hands on size_t
 141  * (without autoconf's help, which isn't available because we want
 142  * flex-generated scanners to compile on their own).
 143  */
 144 typedef unsigned int yy_size_t;
 145
 146
 147 struct yy_buffer_state
 148         {
 149 %-
 150         FILE *yy_input_file;
 151 %+
 152         istream* yy_input_file;
 153 %*
 154
 155         char *yy_ch_buf;                /* input buffer */
 156         char *yy_buf_pos;               /* current position in input buffer */
 157
 158         /* Size of input buffer in bytes, not including room for EOB
 159          * characters.
 160          */
 161         yy_size_t yy_buf_size;
 162
 163         /* Number of characters read into yy_ch_buf, not including EOB
 164          * characters.
 165          */
 166         int yy_n_chars;
 167
 168         /* Whether we "own" the buffer - i.e., we know we created it,
 169          * and can realloc() it to grow it, and should free() it to
 170          * delete it.
 171          */
 172         int yy_is_our_buffer;
 173
 174         /* Whether this is an "interactive" input source; if so, and
 175          * if we're using stdio for input, then we want to use getc()
 176          * instead of fread(), to make sure we stop fetching input after
 177          * each newline.
 178          */
 179         int yy_is_interactive;
 180
 181         /* Whether we're considered to be at the beginning of a line.
 182          * If so, '^' rules will be active on the next match, otherwise
 183          * not.
 184          */
 185         int yy_at_bol;
 186
 187         /* Whether to try to fill the input buffer when we reach the
 188          * end of it.
 189          */
 190         int yy_fill_buffer;
 191
 192         int yy_buffer_status;
 193 #define YY_BUFFER_NEW 0
 194 #define YY_BUFFER_NORMAL 1
 195         /* When an EOF's been seen but there's still some text to process
 196          * then we mark the buffer as YY_EOF_PENDING, to indicate that we
 197          * shouldn't try reading from the input source any more.  We might
 198          * still have a bunch of tokens to match, though, because of
 199          * possible backing-up.
 200          *
 201          * When we actually see the EOF, we change the status to "new"
 202          * (via yyrestart()), so that the user can continue scanning by
 203          * just pointing yyin at a new input file.
 204          */
 205 #define YY_BUFFER_EOF_PENDING 2
 206         };
 207
 208 %- Standard (non-C++) definition
 209 static YY_BUFFER_STATE yy_current_buffer = 0;
 210 %*
 211
 212 /* We provide macros for accessing buffer states in case in the
 213  * future we want to put the buffer states in a more general
 214  * "scanner state".
 215  */
 216 #define YY_CURRENT_BUFFER yy_current_buffer
 217
 218
 219 %- Standard (non-C++) definition
 220 /* yy_hold_char holds the character lost when yytext is formed. */
 221 static char yy_hold_char;
 222
 223 static int yy_n_chars;          /* number of characters read into yy_ch_buf */
 224
 225
 226 int yyleng;
 227
 228 /* Points to current character in buffer. */
 229 static char *yy_c_buf_p = NULL;
 230 static int yy_init = 1;         /* whether we need to initialize */
 231 static int yy_start = 0;        /* start state number */
 232
 233 /* Flag which is used to allow yywrap()'s to do buffer switches
 234  * instead of setting up a fresh yyin.  A bit of a hack ...
 235  */
 236 static int yy_did_buffer_switch_on_eof;
 237
 238 void yyrestart YY_PROTO(( FILE *input_file ));
 239
 240 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
 241 void yy_load_buffer_state YY_PROTO(( void ));
 242 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
 243 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 244 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
 245 void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 246 #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
 247
 248 YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
 249 YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
 250 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
 251 %*
 252
 253 static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
 254 static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ))
 255 #ifdef __GNUC__
 256         __attribute__((__unused__))
 257 #endif
 258 ;
 259 static void yy_flex_free YY_PROTO(( void * ));
 260
 261 #define yy_new_buffer yy_create_buffer
 262
 263 #define yy_set_interactive(is_interactive) \
 264         { \
 265         if ( ! yy_current_buffer ) \
 266                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 267         yy_current_buffer->yy_is_interactive = is_interactive; \
 268         }
 269
 270 #define yy_set_bol(at_bol) \
 271         { \
 272         if ( ! yy_current_buffer ) \
 273                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 274         yy_current_buffer->yy_at_bol = at_bol; \
 275         }
 276
 277 #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
 278
 279 %% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
 280
 281 %- Standard (non-C++) definition
 282 static yy_state_type yy_get_previous_state YY_PROTO(( void ));
 283 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
 284 static int yy_get_next_buffer YY_PROTO(( void ));
 285 static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
 286 %*
 287
 288 /* Done after the current pattern has been matched and before the
 289  * corresponding action - sets up yytext.
 290  */
 291 #define YY_DO_BEFORE_ACTION \
 292         yytext_ptr = yy_bp; \
 293 %% code to fiddle yytext and yyleng for yymore() goes here
 294         yy_hold_char = *yy_cp; \
 295         *yy_cp = '\0'; \
 296 %% code to copy yytext_ptr to yytext[] goes here, if %array
 297         yy_c_buf_p = yy_cp;
 298
 299 %% data tables for the DFA and the user's section 1 definitions go here
 300
 301 /* Macros after this point can all be overridden by user definitions in
 302  * section 1.
 303  */
 304
 305 #ifndef YY_SKIP_YYWRAP
 306 #ifdef __cplusplus
 307 extern "C" int yywrap YY_PROTO(( void ));
 308 #else
 309 extern int yywrap YY_PROTO(( void ));
 310 #endif
 311 #endif
 312
 313 %-
 314 #ifndef YY_NO_UNPUT
 315 static void yyunput YY_PROTO(( int c, char *buf_ptr ));
 316 #endif
 317 %*
 318
 319 #ifndef yytext_ptr
 320 static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
 321 #endif
 322
 323 #ifdef YY_NEED_STRLEN
 324 static int yy_flex_strlen YY_PROTO(( yyconst char * ));
 325 #endif
 326
 327 #ifndef YY_NO_INPUT
 328 %- Standard (non-C++) definition
 329 #ifdef __cplusplus
 330 static int yyinput YY_PROTO(( void ));
 331 #else
 332 static int input YY_PROTO(( void ));
 333 #endif
 334 %*
 335 #endif
 336
 337 #if YY_STACK_USED
 338 static int yy_start_stack_ptr = 0;
 339 static int yy_start_stack_depth = 0;
 340 static int *yy_start_stack = 0;
 341 #ifndef YY_NO_PUSH_STATE
 342 static void yy_push_state YY_PROTO(( int new_state ));
 343 #endif
 344 #ifndef YY_NO_POP_STATE
 345 static void yy_pop_state YY_PROTO(( void ));
 346 #endif
 347 #ifndef YY_NO_TOP_STATE
 348 static int yy_top_state YY_PROTO(( void ));
 349 #endif
 350
 351 #else
 352 #define YY_NO_PUSH_STATE 1
 353 #define YY_NO_POP_STATE 1
 354 #define YY_NO_TOP_STATE 1
 355 #endif
 356
 357 #ifdef YY_MALLOC_DECL
 358 YY_MALLOC_DECL
 359 #else
 360 #if __STDC__
 361 #ifndef __cplusplus
 362 #include <stdlib.h>
 363 #endif
 364 #else
 365 /* Just try to get by without declaring the routines.  This will fail
 366  * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
 367  * or sizeof(void*) != sizeof(int).
 368  */
 369 #endif
 370 #endif
 371
 372 /* Amount of stuff to slurp up with each read. */
 373 #ifndef YY_READ_BUF_SIZE
 374 #define YY_READ_BUF_SIZE 8192
 375 #endif
 376
 377 /* Copy whatever the last rule matched to the standard output. */
 378
 379 #ifndef ECHO
 380 %- Standard (non-C++) definition
 381 /* This used to be an fputs(), but since the string might contain NUL's,
 382  * we now use fwrite().
 383  */
 384 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
 385 %+ C++ definition
 386 #define ECHO LexerOutput( yytext, yyleng )
 387 %*
 388 #endif
 389
 390 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 391  * is returned in "result".
 392  */
 393 #ifndef YY_INPUT
 394 #define YY_INPUT(buf,result,max_size) \
 395 %% fread()/read() definition of YY_INPUT goes here unless we're doing C++
 396 %+ C++ definition
 397         if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
 398                 YY_FATAL_ERROR( "input in flex scanner failed" );
 399 %*
 400 #endif
 401
 402 /* No semi-colon after return; correct usage is to write "yyterminate();" -
 403  * we don't want an extra ';' after the "return" because that will cause
 404  * some compilers to complain about unreachable statements.
 405  */
 406 #ifndef yyterminate
 407 #define yyterminate() return YY_NULL
 408 #endif
 409
 410 /* Number of entries by which start-condition stack grows. */
 411 #ifndef YY_START_STACK_INCR
 412 #define YY_START_STACK_INCR 25
 413 #endif
 414
 415 /* Report a fatal error. */
 416 #ifndef YY_FATAL_ERROR
 417 %-
 418 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
 419 %+
 420 #define YY_FATAL_ERROR(msg) LexerError( msg )
 421 %*
 422 #endif
 423
 424 /* Default declaration of generated scanner - a define so the user can
 425  * easily add parameters.
 426  */
 427 #ifndef YY_DECL
 428 %- Standard (non-C++) definition
 429 #define YY_DECL int yylex YY_PROTO(( void ))
 430 %+ C++ definition
 431 #define YY_DECL int yyFlexLexer::yylex()
 432 %*
 433 #endif
 434
 435 /* Code executed at the beginning of each rule, after yytext and yyleng
 436  * have been set up.
 437  */
 438 #ifndef YY_USER_ACTION
 439 #define YY_USER_ACTION
 440 #endif
 441
 442 /* Code executed at the end of each rule. */
 443 #ifndef YY_BREAK
 444 #define YY_BREAK break;
 445 #endif
 446
 447 %% YY_RULE_SETUP definition goes here
 448
 449 YY_DECL
 450         {
 451         yy_state_type yy_current_state;
 452         char *yy_cp, *yy_bp;
 453         int yy_act;
 454
 455 %% user's declarations go here
 456
 457         if ( yy_init )
 458                 {
 459                 yy_init = 0;
 460
 461 #ifdef YY_USER_INIT
 462                 YY_USER_INIT;
 463 #endif
 464
 465                 if ( ! yy_start )
 466                         yy_start = 1;   /* first start state */
 467
 468                 if ( ! yyin )
 469 %-
 470                         yyin = stdin;
 471 %+
 472                         yyin = &cin;
 473 %*
 474
 475                 if ( ! yyout )
 476 %-
 477                         yyout = stdout;
 478 %+
 479                         yyout = &cout;
 480 %*
 481
 482                 if ( ! yy_current_buffer )
 483                         yy_current_buffer =
 484                                 yy_create_buffer( yyin, YY_BUF_SIZE );
 485
 486                 yy_load_buffer_state();
 487                 }
 488
 489         while ( 1 )             /* loops until end-of-file is reached */
 490                 {
 491 %% yymore()-related code goes here
 492                 yy_cp = yy_c_buf_p;
 493
 494                 /* Support of yytext. */
 495                 *yy_cp = yy_hold_char;
 496
 497                 /* yy_bp points to the position in yy_ch_buf of the start of
 498                  * the current run.
 499                  */
 500                 yy_bp = yy_cp;
 501
 502 %% code to set up and find next match goes here
 503
 504 yy_find_action:
 505 %% code to find the action number goes here
 506
 507                 YY_DO_BEFORE_ACTION;
 508
 509 %% code for yylineno update goes here
 510
 511 do_action:      /* This label is used only to access EOF actions. */
 512
 513 %% debug code goes here
 514
 515                 switch ( yy_act )
 516         { /* beginning of action switch */
 517 %% actions go here
 518
 519         case YY_END_OF_BUFFER:
 520                 {
 521                 /* Amount of text matched not including the EOB char. */
 522                 int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
 523
 524                 /* Undo the effects of YY_DO_BEFORE_ACTION. */
 525                 *yy_cp = yy_hold_char;
 526                 YY_RESTORE_YY_MORE_OFFSET
 527
 528                 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
 529                         {
 530                         /* We're scanning a new file or input source.  It's
 531                          * possible that this happened because the user
 532                          * just pointed yyin at a new source and called
 533                          * yylex().  If so, then we have to assure
 534                          * consistency between yy_current_buffer and our
 535                          * globals.  Here is the right place to do so, because
 536                          * this is the first action (other than possibly a
 537                          * back-up) that will match for the new input source.
 538                          */
 539                         yy_n_chars = yy_current_buffer->yy_n_chars;
 540                         yy_current_buffer->yy_input_file = yyin;
 541                         yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
 542                         }
 543
 544                 /* Note that here we test for yy_c_buf_p "<=" to the position
 545                  * of the first EOB in the buffer, since yy_c_buf_p will
 546                  * already have been incremented past the NUL character
 547                  * (since all states make transitions on EOB to the
 548                  * end-of-buffer state).  Contrast this with the test
 549                  * in input().
 550                  */
 551                 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 552                         { /* This was really a NUL. */
 553                         yy_state_type yy_next_state;
 554
 555                         yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
 556
 557                         yy_current_state = yy_get_previous_state();
 558
 559                         /* Okay, we're now positioned to make the NUL
 560                          * transition.  We couldn't have
 561                          * yy_get_previous_state() go ahead and do it
 562                          * for us because it doesn't know how to deal
 563                          * with the possibility of jamming (and we don't
 564                          * want to build jamming into it because then it
 565                          * will run more slowly).
 566                          */
 567
 568                         yy_next_state = yy_try_NUL_trans( yy_current_state );
 569
 570                         yy_bp = yytext_ptr + YY_MORE_ADJ;
 571
 572                         if ( yy_next_state )
 573                                 {
 574                                 /* Consume the NUL. */
 575                                 yy_cp = ++yy_c_buf_p;
 576                                 yy_current_state = yy_next_state;
 577                                 goto yy_match;
 578                                 }
 579
 580                         else
 581                                 {
 582 %% code to do back-up for compressed tables and set up yy_cp goes here
 583                                 goto yy_find_action;
 584                                 }
 585                         }
 586
 587                 else switch ( yy_get_next_buffer() )
 588                         {
 589                         case EOB_ACT_END_OF_FILE:
 590                                 {
 591                                 yy_did_buffer_switch_on_eof = 0;
 592
 593                                 if ( yywrap() )
 594                                         {
 595                                         /* Note: because we've taken care in
 596                                          * yy_get_next_buffer() to have set up
 597                                          * yytext, we can now set up
 598                                          * yy_c_buf_p so that if some total
 599                                          * hoser (like flex itself) wants to
 600                                          * call the scanner after we return the
 601                                          * YY_NULL, it'll still work - another
 602                                          * YY_NULL will get returned.
 603                                          */
 604                                         yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
 605
 606                                         yy_act = YY_STATE_EOF(YY_START);
 607                                         goto do_action;
 608                                         }
 609
 610                                 else
 611                                         {
 612                                         if ( ! yy_did_buffer_switch_on_eof )
 613                                                 YY_NEW_FILE;
 614                                         }
 615                                 break;
 616                                 }
 617
 618                         case EOB_ACT_CONTINUE_SCAN:
 619                                 yy_c_buf_p =
 620                                         yytext_ptr + yy_amount_of_matched_text;
 621
 622                                 yy_current_state = yy_get_previous_state();
 623
 624                                 yy_cp = yy_c_buf_p;
 625                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 626                                 goto yy_match;
 627
 628                         case EOB_ACT_LAST_MATCH:
 629                                 yy_c_buf_p =
 630                                 &yy_current_buffer->yy_ch_buf[yy_n_chars];
 631
 632                                 yy_current_state = yy_get_previous_state();
 633
 634                                 yy_cp = yy_c_buf_p;
 635                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 636                                 goto yy_find_action;
 637                         }
 638                 break;
 639                 }
 640
 641         default:
 642                 YY_FATAL_ERROR(
 643                         "fatal flex scanner internal error--no action found" );
 644         } /* end of action switch */
 645                 } /* end of scanning one token */
 646         } /* end of yylex */
 647
 648 %+
 649 yyFlexLexer::yyFlexLexer( istream* arg_yyin, ostream* arg_yyout )
 650         {
 651         yyin = arg_yyin;
 652         yyout = arg_yyout;
 653         yy_c_buf_p = 0;
 654         yy_init = 1;
 655         yy_start = 0;
 656         yy_flex_debug = 0;
 657         yylineno = 1;   // this will only get updated if %option yylineno
 658
 659         yy_did_buffer_switch_on_eof = 0;
 660
 661         yy_looking_for_trail_begin = 0;
 662         yy_more_flag = 0;
 663         yy_more_len = 0;
 664         yy_more_offset = yy_prev_more_offset = 0;
 665
 666         yy_start_stack_ptr = yy_start_stack_depth = 0;
 667         yy_start_stack = 0;
 668
 669         yy_current_buffer = 0;
 670
 671 #ifdef YY_USES_REJECT
 672         yy_state_buf = new yy_state_type[YY_BUF_SIZE + 2];
 673 #else
 674         yy_state_buf = 0;
 675 #endif
 676         }
 677
 678 yyFlexLexer::~yyFlexLexer()
 679         {
 680         delete yy_state_buf;
 681         yy_delete_buffer( yy_current_buffer );
 682         }
 683
 684 void yyFlexLexer::switch_streams( istream* new_in, ostream* new_out )
 685         {
 686         if ( new_in )
 687                 {
 688                 yy_delete_buffer( yy_current_buffer );
 689                 yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE ) );
 690                 }
 691
 692         if ( new_out )
 693                 yyout = new_out;
 694         }
 695
 696 #ifdef YY_INTERACTIVE
 697 int yyFlexLexer::LexerInput( char* buf, int /* max_size */ )
 698 #else
 699 int yyFlexLexer::LexerInput( char* buf, int max_size )
 700 #endif
 701         {
 702         if ( yyin->eof() || yyin->fail() )
 703                 return 0;
 704
 705 #ifdef YY_INTERACTIVE
 706         yyin->get( buf[0] );
 707
 708         if ( yyin->eof() )
 709                 return 0;
 710
 711         if ( yyin->bad() )
 712                 return -1;
 713
 714         return 1;
 715
 716 #else
 717         (void) yyin->read( buf, max_size );
 718
 719         if ( yyin->bad() )
 720                 return -1;
 721         else
 722                 return yyin->gcount();
 723 #endif
 724         }
 725
 726 void yyFlexLexer::LexerOutput( const char* buf, int size )
 727         {
 728         (void) yyout->write( buf, size );
 729         }
 730 %*
 731
 732 /* yy_get_next_buffer - try to read in a new buffer
 733  *
 734  * Returns a code representing an action:
 735  *      EOB_ACT_LAST_MATCH -
 736  *      EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 737  *      EOB_ACT_END_OF_FILE - end of file
 738  */
 739
 740 %-
 741 #ifdef YY_USE_PROTOS
 742 static int yy_get_next_buffer( void )
 743 #else
 744 static int yy_get_next_buffer()
 745 #endif
 746 %+
 747 int yyFlexLexer::yy_get_next_buffer()
 748 %*
 749         {
 750         char *dest = yy_current_buffer->yy_ch_buf;
 751         char *source = yytext_ptr;
 752         int number_to_move, i;
 753         int ret_val;
 754
 755         if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
 756                 YY_FATAL_ERROR(
 757                 "fatal flex scanner internal error--end of buffer missed" );
 758
 759         if ( yy_current_buffer->yy_fill_buffer == 0 )
 760                 { /* Don't try to fill the buffer, so this is an EOF. */
 761                 if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
 762                         {
 763                         /* We matched a single character, the EOB, so
 764                          * treat this as a final EOF.
 765                          */
 766                         return EOB_ACT_END_OF_FILE;
 767                         }
 768
 769                 else
 770                         {
 771                         /* We matched some text prior to the EOB, first
 772                          * process it.
 773                          */
 774                         return EOB_ACT_LAST_MATCH;
 775                         }
 776                 }
 777
 778         /* Try to read more data. */
 779
 780         /* First move last chars to start of buffer. */
 781         number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
 782
 783         for ( i = 0; i < number_to_move; ++i )
 784                 *(dest++) = *(source++);
 785
 786         if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
 787                 /* don't do the read, it's not guaranteed to return an EOF,
 788                  * just force an EOF
 789                  */
 790                 yy_current_buffer->yy_n_chars = yy_n_chars = 0;
 791
 792         else
 793                 {
 794                 int num_to_read =
 795                         yy_current_buffer->yy_buf_size - number_to_move - 1;
 796
 797                 while ( num_to_read <= 0 )
 798                         { /* Not enough room in the buffer - grow it. */
 799 #ifdef YY_USES_REJECT
 800                         YY_FATAL_ERROR(
 801 "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
 802 #else
 803
 804                         /* just a shorter name for the current buffer */
 805                         YY_BUFFER_STATE b = yy_current_buffer;
 806
 807                         int yy_c_buf_p_offset =
 808                                 (int) (yy_c_buf_p - b->yy_ch_buf);
 809
 810                         if ( b->yy_is_our_buffer )
 811                                 {
 812                                 int new_size = b->yy_buf_size * 2;
 813
 814                                 if ( new_size <= 0 )
 815                                         b->yy_buf_size += b->yy_buf_size / 8;
 816                                 else
 817                                         b->yy_buf_size *= 2;
 818
 819                                 b->yy_ch_buf = (char *)
 820                                         /* Include room in for 2 EOB chars. */
 821                                         yy_flex_realloc( (void *) b->yy_ch_buf,
 822                                                          b->yy_buf_size + 2 );
 823                                 }
 824                         else
 825                                 /* Can't grow it, we don't own it. */
 826                                 b->yy_ch_buf = 0;
 827
 828                         if ( ! b->yy_ch_buf )
 829                                 YY_FATAL_ERROR(
 830                                 "fatal error - scanner input buffer overflow" );
 831
 832                         yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
 833
 834                         num_to_read = yy_current_buffer->yy_buf_size -
 835                                                 number_to_move - 1;
 836 #endif
 837                         }
 838
 839                 if ( num_to_read > YY_READ_BUF_SIZE )
 840                         num_to_read = YY_READ_BUF_SIZE;
 841
 842                 /* Read in more data. */
 843                 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
 844                         yy_n_chars, num_to_read );
 845
 846                 yy_current_buffer->yy_n_chars = yy_n_chars;
 847                 }
 848
 849         if ( yy_n_chars == 0 )
 850                 {
 851                 if ( number_to_move == YY_MORE_ADJ )
 852                         {
 853                         ret_val = EOB_ACT_END_OF_FILE;
 854                         yyrestart( yyin );
 855                         }
 856
 857                 else
 858                         {
 859                         ret_val = EOB_ACT_LAST_MATCH;
 860                         yy_current_buffer->yy_buffer_status =
 861                                 YY_BUFFER_EOF_PENDING;
 862                         }
 863                 }
 864
 865         else
 866                 ret_val = EOB_ACT_CONTINUE_SCAN;
 867
 868         yy_n_chars += number_to_move;
 869         yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
 870         yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
 871
 872         yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
 873
 874         return ret_val;
 875         }
 876
 877
 878 /* yy_get_previous_state - get the state just before the EOB char was reached */
 879
 880 %-
 881 #ifdef YY_USE_PROTOS
 882 static yy_state_type yy_get_previous_state( void )
 883 #else
 884 static yy_state_type yy_get_previous_state()
 885 #endif
 886 %+
 887 yy_state_type yyFlexLexer::yy_get_previous_state()
 888 %*
 889         {
 890         yy_state_type yy_current_state;
 891         char *yy_cp;
 892
 893 %% code to get the start state into yy_current_state goes here
 894
 895         for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
 896                 {
 897 %% code to find the next state goes here
 898                 }
 899
 900         return yy_current_state;
 901         }
 902
 903
 904 /* yy_try_NUL_trans - try to make a transition on the NUL character
 905  *
 906  * synopsis
 907  *      next_state = yy_try_NUL_trans( current_state );
 908  */
 909
 910 %-
 911 #ifdef YY_USE_PROTOS
 912 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
 913 #else
 914 static yy_state_type yy_try_NUL_trans( yy_current_state )
 915 yy_state_type yy_current_state;
 916 #endif
 917 %+
 918 yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
 919 %*
 920         {
 921         int yy_is_jam;
 922 %% code to find the next state, and perhaps do backing up, goes here
 923
 924         return yy_is_jam ? 0 : yy_current_state;
 925         }
 926
 927
 928 %-
 929 #ifndef YY_NO_UNPUT
 930 #ifdef YY_USE_PROTOS
 931 static void yyunput( int c, char *yy_bp )
 932 #else
 933 static void yyunput( c, yy_bp )
 934 int c;
 935 char *yy_bp;
 936 #endif
 937 %+
 938 void yyFlexLexer::yyunput( int c, char* yy_bp )
 939 %*
 940         {
 941         char *yy_cp = yy_c_buf_p;
 942
 943         /* undo effects of setting up yytext */
 944         *yy_cp = yy_hold_char;
 945
 946         if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 947                 { /* need to shift things up to make room */
 948                 /* +2 for EOB chars. */
 949                 int number_to_move = yy_n_chars + 2;
 950                 char *dest = &yy_current_buffer->yy_ch_buf[
 951                                         yy_current_buffer->yy_buf_size + 2];
 952                 char *source = &yy_current_buffer->yy_ch_buf[number_to_move];
 953
 954                 while ( source > yy_current_buffer->yy_ch_buf )
 955                         *--dest = *--source;
 956
 957                 yy_cp += (int) (dest - source);
 958                 yy_bp += (int) (dest - source);
 959                 yy_current_buffer->yy_n_chars =
 960                         yy_n_chars = yy_current_buffer->yy_buf_size;
 961
 962                 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 963                         YY_FATAL_ERROR( "flex scanner push-back overflow" );
 964                 }
 965
 966         *--yy_cp = (char) c;
 967
 968 %% update yylineno here
 969
 970         yytext_ptr = yy_bp;
 971         yy_hold_char = *yy_cp;
 972         yy_c_buf_p = yy_cp;
 973         }
 974 %-
 975 #endif  /* ifndef YY_NO_UNPUT */
 976 %*
 977
 978
 979 %-
 980 #ifndef YY_NO_INPUT
 981 #ifdef __cplusplus
 982 static int yyinput()
 983 #else
 984 #ifdef YY_USE_PROTOS
 985 static int input( void )
 986 #else
 987 static int input()
 988 #endif
 989 #endif
 990 %+
 991 int yyFlexLexer::yyinput()
 992 %*
 993         {
 994         int c;
 995
 996         *yy_c_buf_p = yy_hold_char;
 997
 998         if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
 999                 {
1000                 /* yy_c_buf_p now points to the character we want to return.
1001                  * If this occurs *before* the EOB characters, then it's a
1002                  * valid NUL; if not, then we've hit the end of the buffer.
1003                  */
1004                 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
1005                         /* This was really a NUL. */
1006                         *yy_c_buf_p = '\0';
1007
1008                 else
1009                         { /* need more input */
1010                         int offset = yy_c_buf_p - yytext_ptr;
1011                         ++yy_c_buf_p;
1012
1013                         switch ( yy_get_next_buffer() )
1014                                 {
1015                                 case EOB_ACT_LAST_MATCH:
1016                                         /* This happens because yy_g_n_b()
1017                                          * sees that we've accumulated a
1018                                          * token and flags that we need to
1019                                          * try matching the token before
1020                                          * proceeding.  But for input(),
1021                                          * there's no matching to consider.
1022                                          * So convert the EOB_ACT_LAST_MATCH
1023                                          * to EOB_ACT_END_OF_FILE.
1024                                          */
1025
1026                                         /* Reset buffer status. */
1027                                         yyrestart( yyin );
1028
1029                                         /* fall through */
1030
1031                                 case EOB_ACT_END_OF_FILE:
1032                                         {
1033                                         if ( yywrap() )
1034                                                 return EOF;
1035
1036                                         if ( ! yy_did_buffer_switch_on_eof )
1037                                                 YY_NEW_FILE;
1038 #ifdef __cplusplus
1039                                         return yyinput();
1040 #else
1041                                         return input();
1042 #endif
1043                                         }
1044
1045                                 case EOB_ACT_CONTINUE_SCAN:
1046                                         yy_c_buf_p = yytext_ptr + offset;
1047                                         break;
1048                                 }
1049                         }
1050                 }
1051
1052         c = *(unsigned char *) yy_c_buf_p;      /* cast for 8-bit char's */
1053         *yy_c_buf_p = '\0';     /* preserve yytext */
1054         yy_hold_char = *++yy_c_buf_p;
1055
1056 %% update BOL and yylineno
1057
1058         return c;
1059         }
1060 %-
1061 #endif  /* ifndef YY_NO_INPUT */
1062 %*
1063
1064
1065 %-
1066 #ifdef YY_USE_PROTOS
1067 void yyrestart( FILE *input_file )
1068 #else
1069 void yyrestart( input_file )
1070 FILE *input_file;
1071 #endif
1072 %+
1073 void yyFlexLexer::yyrestart( istream* input_file )
1074 %*
1075         {
1076         if ( ! yy_current_buffer )
1077                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
1078
1079         yy_init_buffer( yy_current_buffer, input_file );
1080         yy_load_buffer_state();
1081         }
1082
1083
1084 %-
1085 #ifdef YY_USE_PROTOS
1086 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1087 #else
1088 void yy_switch_to_buffer( new_buffer )
1089 YY_BUFFER_STATE new_buffer;
1090 #endif
1091 %+
1092 void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1093 %*
1094         {
1095         if ( yy_current_buffer == new_buffer )
1096                 return;
1097
1098         if ( yy_current_buffer )
1099                 {
1100                 /* Flush out information for old buffer. */
1101                 *yy_c_buf_p = yy_hold_char;
1102                 yy_current_buffer->yy_buf_pos = yy_c_buf_p;
1103                 yy_current_buffer->yy_n_chars = yy_n_chars;
1104                 }
1105
1106         yy_current_buffer = new_buffer;
1107         yy_load_buffer_state();
1108
1109         /* We don't actually know whether we did this switch during
1110          * EOF (yywrap()) processing, but the only time this flag
1111          * is looked at is after yywrap() is called, so it's safe
1112          * to go ahead and always set it.
1113          */
1114         yy_did_buffer_switch_on_eof = 1;
1115         }
1116
1117
1118 %-
1119 #ifdef YY_USE_PROTOS
1120 void yy_load_buffer_state( void )
1121 #else
1122 void yy_load_buffer_state()
1123 #endif
1124 %+
1125 void yyFlexLexer::yy_load_buffer_state()
1126 %*
1127         {
1128         yy_n_chars = yy_current_buffer->yy_n_chars;
1129         yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
1130         yyin = yy_current_buffer->yy_input_file;
1131         yy_hold_char = *yy_c_buf_p;
1132         }
1133
1134
1135 %-
1136 #ifdef YY_USE_PROTOS
1137 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
1138 #else
1139 YY_BUFFER_STATE yy_create_buffer( file, size )
1140 FILE *file;
1141 int size;
1142 #endif
1143 %+
1144 YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( istream* file, int size )
1145 %*
1146         {
1147         YY_BUFFER_STATE b;
1148
1149         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1150         if ( ! b )
1151                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1152
1153         b->yy_buf_size = size;
1154
1155         /* yy_ch_buf has to be 2 characters longer than the size given because
1156          * we need to put in 2 end-of-buffer characters.
1157          */
1158         b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
1159         if ( ! b->yy_ch_buf )
1160                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1161
1162         b->yy_is_our_buffer = 1;
1163
1164         yy_init_buffer( b, file );
1165
1166         return b;
1167         }
1168
1169
1170 %-
1171 #ifdef YY_USE_PROTOS
1172 void yy_delete_buffer( YY_BUFFER_STATE b )
1173 #else
1174 void yy_delete_buffer( b )
1175 YY_BUFFER_STATE b;
1176 #endif
1177 %+
1178 void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
1179 %*
1180         {
1181         if ( ! b )
1182                 return;
1183
1184         if ( b == yy_current_buffer )
1185                 yy_current_buffer = (YY_BUFFER_STATE) 0;
1186
1187         if ( b->yy_is_our_buffer )
1188                 yy_flex_free( (void *) b->yy_ch_buf );
1189
1190         yy_flex_free( (void *) b );
1191         }
1192
1193
1194 %-
1195 #ifdef YY_USE_PROTOS
1196 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
1197 #else
1198 void yy_init_buffer( b, file )
1199 YY_BUFFER_STATE b;
1200 FILE *file;
1201 #endif
1202
1203 %+
1204 extern "C" int isatty YY_PROTO(( int ));
1205 void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, istream* file )
1206 %*
1207
1208         {
1209         yy_flush_buffer( b );
1210
1211         b->yy_input_file = file;
1212         b->yy_fill_buffer = 1;
1213
1214 %-
1215 #if YY_ALWAYS_INTERACTIVE
1216         b->yy_is_interactive = 1;
1217 #else
1218 #if YY_NEVER_INTERACTIVE
1219         b->yy_is_interactive = 0;
1220 #else
1221         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
1222 #endif
1223 #endif
1224 %+
1225         b->yy_is_interactive = 0;
1226 %*
1227         }
1228
1229
1230 %-
1231 #ifdef YY_USE_PROTOS
1232 void yy_flush_buffer( YY_BUFFER_STATE b )
1233 #else
1234 void yy_flush_buffer( b )
1235 YY_BUFFER_STATE b;
1236 #endif
1237
1238 %+
1239 void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b )
1240 %*
1241         {
1242         if ( ! b )
1243                 return;
1244
1245         b->yy_n_chars = 0;
1246
1247         /* We always need two end-of-buffer characters.  The first causes
1248          * a transition to the end-of-buffer state.  The second causes
1249          * a jam in that state.
1250          */
1251         b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1252         b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1253
1254         b->yy_buf_pos = &b->yy_ch_buf[0];
1255
1256         b->yy_at_bol = 1;
1257         b->yy_buffer_status = YY_BUFFER_NEW;
1258
1259         if ( b == yy_current_buffer )
1260                 yy_load_buffer_state();
1261         }
1262 %*
1263
1264
1265 #ifndef YY_NO_SCAN_BUFFER
1266 %-
1267 #ifdef YY_USE_PROTOS
1268 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
1269 #else
1270 YY_BUFFER_STATE yy_scan_buffer( base, size )
1271 char *base;
1272 yy_size_t size;
1273 #endif
1274         {
1275         YY_BUFFER_STATE b;
1276
1277         if ( size < 2 ||
1278              base[size-2] != YY_END_OF_BUFFER_CHAR ||
1279              base[size-1] != YY_END_OF_BUFFER_CHAR )
1280                 /* They forgot to leave room for the EOB's. */
1281                 return 0;
1282
1283         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1284         if ( ! b )
1285                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1286
1287         b->yy_buf_size = size - 2;      /* "- 2" to take care of EOB's */
1288         b->yy_buf_pos = b->yy_ch_buf = base;
1289         b->yy_is_our_buffer = 0;
1290         b->yy_input_file = 0;
1291         b->yy_n_chars = b->yy_buf_size;
1292         b->yy_is_interactive = 0;
1293         b->yy_at_bol = 1;
1294         b->yy_fill_buffer = 0;
1295         b->yy_buffer_status = YY_BUFFER_NEW;
1296
1297         yy_switch_to_buffer( b );
1298
1299         return b;
1300         }
1301 %*
1302 #endif
1303
1304
1305 #ifndef YY_NO_SCAN_STRING
1306 %-
1307 #ifdef YY_USE_PROTOS
1308 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
1309 #else
1310 YY_BUFFER_STATE yy_scan_string( yy_str )
1311 yyconst char *yy_str;
1312 #endif
1313         {
1314         int len;
1315         for ( len = 0; yy_str[len]; ++len )
1316                 ;
1317
1318         return yy_scan_bytes( yy_str, len );
1319         }
1320 %*
1321 #endif
1322
1323
1324 #ifndef YY_NO_SCAN_BYTES
1325 %-
1326 #ifdef YY_USE_PROTOS
1327 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
1328 #else
1329 YY_BUFFER_STATE yy_scan_bytes( bytes, len )
1330 yyconst char *bytes;
1331 int len;
1332 #endif
1333         {
1334         YY_BUFFER_STATE b;
1335         char *buf;
1336         yy_size_t n;
1337         int i;
1338
1339         /* Get memory for full buffer, including space for trailing EOB's. */
1340         n = len + 2;
1341         buf = (char *) yy_flex_alloc( n );
1342         if ( ! buf )
1343                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1344
1345         for ( i = 0; i < len; ++i )
1346                 buf[i] = bytes[i];
1347
1348         buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
1349
1350         b = yy_scan_buffer( buf, n );
1351         if ( ! b )
1352                 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1353
1354         /* It's okay to grow etc. this buffer, and we should throw it
1355          * away when we're done.
1356          */
1357         b->yy_is_our_buffer = 1;
1358
1359         return b;
1360         }
1361 %*
1362 #endif
1363
1364
1365 #ifndef YY_NO_PUSH_STATE
1366 %-
1367 #ifdef YY_USE_PROTOS
1368 static void yy_push_state( int new_state )
1369 #else
1370 static void yy_push_state( new_state )
1371 int new_state;
1372 #endif
1373 %+
1374 void yyFlexLexer::yy_push_state( int new_state )
1375 %*
1376         {
1377         if ( yy_start_stack_ptr >= yy_start_stack_depth )
1378                 {
1379                 yy_size_t new_size;
1380
1381                 yy_start_stack_depth += YY_START_STACK_INCR;
1382                 new_size = yy_start_stack_depth * sizeof( int );
1383
1384                 if ( ! yy_start_stack )
1385                         yy_start_stack = (int *) yy_flex_alloc( new_size );
1386
1387                 else
1388                         yy_start_stack = (int *) yy_flex_realloc(
1389                                         (void *) yy_start_stack, new_size );
1390
1391                 if ( ! yy_start_stack )
1392                         YY_FATAL_ERROR(
1393                         "out of memory expanding start-condition stack" );
1394                 }
1395
1396         yy_start_stack[yy_start_stack_ptr++] = YY_START;
1397
1398         BEGIN(new_state);
1399         }
1400 #endif
1401
1402
1403 #ifndef YY_NO_POP_STATE
1404 %-
1405 #ifdef YY_USE_PROTOS
1406 static void yy_pop_state( void )
1407 #else
1408 static void yy_pop_state()
1409 #endif
1410 %+
1411 void yyFlexLexer::yy_pop_state()
1412 %*
1413         {
1414         if ( --yy_start_stack_ptr < 0 )
1415                 YY_FATAL_ERROR( "start-condition stack underflow" );
1416
1417         BEGIN(yy_start_stack[yy_start_stack_ptr]);
1418         }
1419 #endif
1420
1421
1422 #ifndef YY_NO_TOP_STATE
1423 %-
1424 #ifdef YY_USE_PROTOS
1425 static int yy_top_state( void )
1426 #else
1427 static int yy_top_state()
1428 #endif
1429 %+
1430 int yyFlexLexer::yy_top_state()
1431 %*
1432         {
1433         return yy_start_stack[yy_start_stack_ptr - 1];
1434         }
1435 #endif
1436
1437 #ifndef YY_EXIT_FAILURE
1438 #define YY_EXIT_FAILURE 2
1439 #endif
1440
1441 %-
1442 #ifdef YY_USE_PROTOS
1443 static void yy_fatal_error( yyconst char msg[] )
1444 #else
1445 static void yy_fatal_error( msg )
1446 char msg[];
1447 #endif
1448         {
1449         (void) fprintf( stderr, "%s\n", msg );
1450         exit( YY_EXIT_FAILURE );
1451         }
1452
1453 %+
1454
1455 void yyFlexLexer::LexerError( yyconst char msg[] )
1456         {
1457         cerr << msg << '\n';
1458         exit( YY_EXIT_FAILURE );
1459         }
1460 %*
1461
1462
1463 /* Redefine yyless() so it works in section 3 code. */
1464
1465 #undef yyless
1466 #define yyless(n) \
1467         do \
1468                 { \
1469                 /* Undo effects of setting up yytext. */ \
1470                 yytext[yyleng] = yy_hold_char; \
1471                 yy_c_buf_p = yytext + n; \
1472                 yy_hold_char = *yy_c_buf_p; \
1473                 *yy_c_buf_p = '\0'; \
1474                 yyleng = n; \
1475                 } \
1476         while ( 0 )
1477
1478
1479 /* Internal utility routines. */
1480
1481 #ifndef yytext_ptr
1482 #ifdef YY_USE_PROTOS
1483 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
1484 #else
1485 static void yy_flex_strncpy( s1, s2, n )
1486 char *s1;
1487 yyconst char *s2;
1488 int n;
1489 #endif
1490         {
1491         int i;
1492         for ( i = 0; i < n; ++i )
1493                 s1[i] = s2[i];
1494         }
1495 #endif
1496
1497 #ifdef YY_NEED_STRLEN
1498 #ifdef YY_USE_PROTOS
1499 static int yy_flex_strlen( yyconst char *s )
1500 #else
1501 static int yy_flex_strlen( s )
1502 yyconst char *s;
1503 #endif
1504         {
1505         int n;
1506         for ( n = 0; s[n]; ++n )
1507                 ;
1508
1509         return n;
1510         }
1511 #endif
1512
1513
1514 #ifdef YY_USE_PROTOS
1515 static void *yy_flex_alloc( yy_size_t size )
1516 #else
1517 static void *yy_flex_alloc( size )
1518 yy_size_t size;
1519 #endif
1520         {
1521         return (void *) malloc( size );
1522         }
1523
1524 #ifdef YY_USE_PROTOS
1525 static void *yy_flex_realloc( void *ptr, yy_size_t size )
1526 #else
1527 static void *yy_flex_realloc( ptr, size )
1528 void *ptr;
1529 yy_size_t size;
1530 #endif
1531         {
1532         /* The cast to (char *) in the following accommodates both
1533          * implementations that use char* generic pointers, and those
1534          * that use void* generic pointers.  It works with the latter
1535          * because both ANSI C and C++ allow castless assignment from
1536          * any pointer type to void*, and deal with argument conversions
1537          * as though doing an assignment.
1538          */
1539         return (void *) realloc( (char *) ptr, size );
1540         }
1541
1542 #ifdef YY_USE_PROTOS
1543 static void yy_flex_free( void *ptr )
1544 #else
1545 static void yy_flex_free( ptr )
1546 void *ptr;
1547 #endif
1548         {
1549         free( ptr );
1550         }
1551
1552 #if YY_MAIN
1553 int main()
1554         {
1555         yylex();
1556         return 0;
1557         }
1558 #endif