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 1.2 2003/06/17 04:29:27 dillon 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 class istream;
  31 %*
  32 #include <unistd.h>
  33
  34 /* Use prototypes in function declarations. */
  35 #define YY_USE_PROTOS
  36
  37 /* The "const" storage-class-modifier is valid. */
  38 #define YY_USE_CONST
  39
  40 #else   /* ! __cplusplus */
  41
  42 #if __STDC__
  43
  44 #define YY_USE_PROTOS
  45 #define YY_USE_CONST
  46
  47 #endif  /* __STDC__ */
  48 #endif  /* ! __cplusplus */
  49
  50 #ifdef __TURBOC__
  51  #pragma warn -rch
  52  #pragma warn -use
  53 #include <io.h>
  54 #include <stdlib.h>
  55 #define YY_USE_CONST
  56 #define YY_USE_PROTOS
  57 #endif
  58
  59 #ifdef YY_USE_CONST
  60 #define yyconst const
  61 #else
  62 #define yyconst
  63 #endif
  64
  65
  66 #ifdef YY_USE_PROTOS
  67 #define YY_PROTO(proto) proto
  68 #else
  69 #define YY_PROTO(proto) ()
  70 #endif
  71
  72 /* Returned upon end-of-file. */
  73 #define YY_NULL 0
  74
  75 /* Promotes a possibly negative, possibly signed char to an unsigned
  76  * integer for use as an array index.  If the signed char is negative,
  77  * we want to instead treat it as an 8-bit unsigned char, hence the
  78  * double cast.
  79  */
  80 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
  81
  82 /* Enter a start condition.  This macro really ought to take a parameter,
  83  * but we do it the disgusting crufty way forced on us by the ()-less
  84  * definition of BEGIN.
  85  */
  86 #define BEGIN yy_start = 1 + 2 *
  87
  88 /* Translate the current start state into a value that can be later handed
  89  * to BEGIN to return to the state.  The YYSTATE alias is for lex
  90  * compatibility.
  91  */
  92 #define YY_START ((yy_start - 1) / 2)
  93 #define YYSTATE YY_START
  94
  95 /* Action number for EOF rule of a given start state. */
  96 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
  97
  98 /* Special action meaning "start processing a new file". */
  99 #define YY_NEW_FILE yyrestart( yyin )
 100
 101 #define YY_END_OF_BUFFER_CHAR 0
 102
 103 /* Size of default input buffer. */
 104 #define YY_BUF_SIZE 16384
 105
 106 typedef struct yy_buffer_state *YY_BUFFER_STATE;
 107
 108 extern int yyleng;
 109 %-
 110 extern FILE *yyin, *yyout;
 111 %*
 112
 113 #define EOB_ACT_CONTINUE_SCAN 0
 114 #define EOB_ACT_END_OF_FILE 1
 115 #define EOB_ACT_LAST_MATCH 2
 116
 117 /* The funky do-while in the following #define is used to turn the definition
 118  * int a single C statement (which needs a semi-colon terminator).  This
 119  * avoids problems with code like:
 120  *
 121  *      if ( condition_holds )
 122  *              yyless( 5 );
 123  *      else
 124  *              do_something_else();
 125  *
 126  * Prior to using the do-while the compiler would get upset at the
 127  * "else" because it interpreted the "if" statement as being all
 128  * done when it reached the ';' after the yyless() call.
 129  */
 130
 131 /* Return all but the first 'n' matched characters back to the input stream. */
 132
 133 #define yyless(n) \
 134         do \
 135                 { \
 136                 /* Undo effects of setting up yytext. */ \
 137                 *yy_cp = yy_hold_char; \
 138                 YY_RESTORE_YY_MORE_OFFSET \
 139                 yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
 140                 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
 141                 } \
 142         while ( 0 )
 143
 144 #define unput(c) yyunput( c, yytext_ptr )
 145
 146 /* The following is because we cannot portably get our hands on size_t
 147  * (without autoconf's help, which isn't available because we want
 148  * flex-generated scanners to compile on their own).
 149  */
 150 typedef unsigned int yy_size_t;
 151
 152
 153 struct yy_buffer_state
 154         {
 155 %-
 156         FILE *yy_input_file;
 157 %+
 158         istream* yy_input_file;
 159 %*
 160
 161         char *yy_ch_buf;                /* input buffer */
 162         char *yy_buf_pos;               /* current position in input buffer */
 163
 164         /* Size of input buffer in bytes, not including room for EOB
 165          * characters.
 166          */
 167         yy_size_t yy_buf_size;
 168
 169         /* Number of characters read into yy_ch_buf, not including EOB
 170          * characters.
 171          */
 172         int yy_n_chars;
 173
 174         /* Whether we "own" the buffer - i.e., we know we created it,
 175          * and can realloc() it to grow it, and should free() it to
 176          * delete it.
 177          */
 178         int yy_is_our_buffer;
 179
 180         /* Whether this is an "interactive" input source; if so, and
 181          * if we're using stdio for input, then we want to use getc()
 182          * instead of fread(), to make sure we stop fetching input after
 183          * each newline.
 184          */
 185         int yy_is_interactive;
 186
 187         /* Whether we're considered to be at the beginning of a line.
 188          * If so, '^' rules will be active on the next match, otherwise
 189          * not.
 190          */
 191         int yy_at_bol;
 192
 193         /* Whether to try to fill the input buffer when we reach the
 194          * end of it.
 195          */
 196         int yy_fill_buffer;
 197
 198         int yy_buffer_status;
 199 #define YY_BUFFER_NEW 0
 200 #define YY_BUFFER_NORMAL 1
 201         /* When an EOF's been seen but there's still some text to process
 202          * then we mark the buffer as YY_EOF_PENDING, to indicate that we
 203          * shouldn't try reading from the input source any more.  We might
 204          * still have a bunch of tokens to match, though, because of
 205          * possible backing-up.
 206          *
 207          * When we actually see the EOF, we change the status to "new"
 208          * (via yyrestart()), so that the user can continue scanning by
 209          * just pointing yyin at a new input file.
 210          */
 211 #define YY_BUFFER_EOF_PENDING 2
 212         };
 213
 214 %- Standard (non-C++) definition
 215 static YY_BUFFER_STATE yy_current_buffer = 0;
 216 %*
 217
 218 /* We provide macros for accessing buffer states in case in the
 219  * future we want to put the buffer states in a more general
 220  * "scanner state".
 221  */
 222 #define YY_CURRENT_BUFFER yy_current_buffer
 223
 224
 225 %- Standard (non-C++) definition
 226 /* yy_hold_char holds the character lost when yytext is formed. */
 227 static char yy_hold_char;
 228
 229 static int yy_n_chars;          /* number of characters read into yy_ch_buf */
 230
 231
 232 int yyleng;
 233
 234 /* Points to current character in buffer. */
 235 static char *yy_c_buf_p = (char *) 0;
 236 static int yy_init = 1;         /* whether we need to initialize */
 237 static int yy_start = 0;        /* start state number */
 238
 239 /* Flag which is used to allow yywrap()'s to do buffer switches
 240  * instead of setting up a fresh yyin.  A bit of a hack ...
 241  */
 242 static int yy_did_buffer_switch_on_eof;
 243
 244 void yyrestart YY_PROTO(( FILE *input_file ));
 245
 246 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
 247 void yy_load_buffer_state YY_PROTO(( void ));
 248 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
 249 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 250 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
 251 void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 252 #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
 253
 254 YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
 255 YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
 256 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
 257 %*
 258
 259 static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
 260 static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
 261 static void yy_flex_free YY_PROTO(( void * ));
 262
 263 #define yy_new_buffer yy_create_buffer
 264
 265 #define yy_set_interactive(is_interactive) \
 266         { \
 267         if ( ! yy_current_buffer ) \
 268                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 269         yy_current_buffer->yy_is_interactive = is_interactive; \
 270         }
 271
 272 #define yy_set_bol(at_bol) \
 273         { \
 274         if ( ! yy_current_buffer ) \
 275                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 276         yy_current_buffer->yy_at_bol = at_bol; \
 277         }
 278
 279 #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
 280
 281 %% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
 282
 283 %- Standard (non-C++) definition
 284 static yy_state_type yy_get_previous_state YY_PROTO(( void ));
 285 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
 286 static int yy_get_next_buffer YY_PROTO(( void ));
 287 static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
 288 %*
 289
 290 /* Done after the current pattern has been matched and before the
 291  * corresponding action - sets up yytext.
 292  */
 293 #define YY_DO_BEFORE_ACTION \
 294         yytext_ptr = yy_bp; \
 295 %% code to fiddle yytext and yyleng for yymore() goes here
 296         yy_hold_char = *yy_cp; \
 297         *yy_cp = '\0'; \
 298 %% code to copy yytext_ptr to yytext[] goes here, if %array
 299         yy_c_buf_p = yy_cp;
 300
 301 %% data tables for the DFA and the user's section 1 definitions go here
 302
 303 /* Macros after this point can all be overridden by user definitions in
 304  * section 1.
 305  */
 306
 307 #ifndef YY_SKIP_YYWRAP
 308 #ifdef __cplusplus
 309 extern "C" int yywrap YY_PROTO(( void ));
 310 #else
 311 extern int yywrap YY_PROTO(( void ));
 312 #endif
 313 #endif
 314
 315 %-
 316 #ifndef YY_NO_UNPUT
 317 static void yyunput YY_PROTO(( int c, char *buf_ptr ));
 318 #endif
 319 %*
 320
 321 #ifndef yytext_ptr
 322 static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
 323 #endif
 324
 325 #ifdef YY_NEED_STRLEN
 326 static int yy_flex_strlen YY_PROTO(( yyconst char * ));
 327 #endif
 328
 329 #ifndef YY_NO_INPUT
 330 %- Standard (non-C++) definition
 331 #ifdef __cplusplus
 332 static int yyinput YY_PROTO(( void ));
 333 #else
 334 static int input YY_PROTO(( void ));
 335 #endif
 336 %*
 337 #endif
 338
 339 #if YY_STACK_USED
 340 static int yy_start_stack_ptr = 0;
 341 static int yy_start_stack_depth = 0;
 342 static int *yy_start_stack = 0;
 343 #ifndef YY_NO_PUSH_STATE
 344 static void yy_push_state YY_PROTO(( int new_state ));
 345 #endif
 346 #ifndef YY_NO_POP_STATE
 347 static void yy_pop_state YY_PROTO(( void ));
 348 #endif
 349 #ifndef YY_NO_TOP_STATE
 350 static int yy_top_state YY_PROTO(( void ));
 351 #endif
 352
 353 #else
 354 #define YY_NO_PUSH_STATE 1
 355 #define YY_NO_POP_STATE 1
 356 #define YY_NO_TOP_STATE 1
 357 #endif
 358
 359 #ifdef YY_MALLOC_DECL
 360 YY_MALLOC_DECL
 361 #else
 362 #if __STDC__
 363 #ifndef __cplusplus
 364 #include <stdlib.h>
 365 #endif
 366 #else
 367 /* Just try to get by without declaring the routines.  This will fail
 368  * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
 369  * or sizeof(void*) != sizeof(int).
 370  */
 371 #endif
 372 #endif
 373
 374 /* Amount of stuff to slurp up with each read. */
 375 #ifndef YY_READ_BUF_SIZE
 376 #define YY_READ_BUF_SIZE 8192
 377 #endif
 378
 379 /* Copy whatever the last rule matched to the standard output. */
 380
 381 #ifndef ECHO
 382 %- Standard (non-C++) definition
 383 /* This used to be an fputs(), but since the string might contain NUL's,
 384  * we now use fwrite().
 385  */
 386 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
 387 %+ C++ definition
 388 #define ECHO LexerOutput( yytext, yyleng )
 389 %*
 390 #endif
 391
 392 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 393  * is returned in "result".
 394  */
 395 #ifndef YY_INPUT
 396 #define YY_INPUT(buf,result,max_size) \
 397 %% fread()/read() definition of YY_INPUT goes here unless we're doing C++
 398 %+ C++ definition
 399         if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
 400                 YY_FATAL_ERROR( "input in flex scanner failed" );
 401 %*
 402 #endif
 403
 404 /* No semi-colon after return; correct usage is to write "yyterminate();" -
 405  * we don't want an extra ';' after the "return" because that will cause
 406  * some compilers to complain about unreachable statements.
 407  */
 408 #ifndef yyterminate
 409 #define yyterminate() return YY_NULL
 410 #endif
 411
 412 /* Number of entries by which start-condition stack grows. */
 413 #ifndef YY_START_STACK_INCR
 414 #define YY_START_STACK_INCR 25
 415 #endif
 416
 417 /* Report a fatal error. */
 418 #ifndef YY_FATAL_ERROR
 419 %-
 420 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
 421 %+
 422 #define YY_FATAL_ERROR(msg) LexerError( msg )
 423 %*
 424 #endif
 425
 426 /* Default declaration of generated scanner - a define so the user can
 427  * easily add parameters.
 428  */
 429 #ifndef YY_DECL
 430 %- Standard (non-C++) definition
 431 #define YY_DECL int yylex YY_PROTO(( void ))
 432 %+ C++ definition
 433 #define YY_DECL int yyFlexLexer::yylex()
 434 %*
 435 #endif
 436
 437 /* Code executed at the beginning of each rule, after yytext and yyleng
 438  * have been set up.
 439  */
 440 #ifndef YY_USER_ACTION
 441 #define YY_USER_ACTION
 442 #endif
 443
 444 /* Code executed at the end of each rule. */
 445 #ifndef YY_BREAK
 446 #define YY_BREAK break;
 447 #endif
 448
 449 %% YY_RULE_SETUP definition goes here
 450
 451 YY_DECL
 452         {
 453         register yy_state_type yy_current_state;
 454         register char *yy_cp, *yy_bp;
 455         register int yy_act;
 456
 457 %% user's declarations go here
 458
 459         if ( yy_init )
 460                 {
 461                 yy_init = 0;
 462
 463 #ifdef YY_USER_INIT
 464                 YY_USER_INIT;
 465 #endif
 466
 467                 if ( ! yy_start )
 468                         yy_start = 1;   /* first start state */
 469
 470                 if ( ! yyin )
 471 %-
 472                         yyin = stdin;
 473 %+
 474                         yyin = &cin;
 475 %*
 476
 477                 if ( ! yyout )
 478 %-
 479                         yyout = stdout;
 480 %+
 481                         yyout = &cout;
 482 %*
 483
 484                 if ( ! yy_current_buffer )
 485                         yy_current_buffer =
 486                                 yy_create_buffer( yyin, YY_BUF_SIZE );
 487
 488                 yy_load_buffer_state();
 489                 }
 490
 491         while ( 1 )             /* loops until end-of-file is reached */
 492                 {
 493 %% yymore()-related code goes here
 494                 yy_cp = yy_c_buf_p;
 495
 496                 /* Support of yytext. */
 497                 *yy_cp = yy_hold_char;
 498
 499                 /* yy_bp points to the position in yy_ch_buf of the start of
 500                  * the current run.
 501                  */
 502                 yy_bp = yy_cp;
 503
 504 %% code to set up and find next match goes here
 505
 506 yy_find_action:
 507 %% code to find the action number goes here
 508
 509                 YY_DO_BEFORE_ACTION;
 510
 511 %% code for yylineno update goes here
 512
 513 do_action:      /* This label is used only to access EOF actions. */
 514
 515 %% debug code goes here
 516
 517                 switch ( yy_act )
 518         { /* beginning of action switch */
 519 %% actions go here
 520
 521         case YY_END_OF_BUFFER:
 522                 {
 523                 /* Amount of text matched not including the EOB char. */
 524                 int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
 525
 526                 /* Undo the effects of YY_DO_BEFORE_ACTION. */
 527                 *yy_cp = yy_hold_char;
 528                 YY_RESTORE_YY_MORE_OFFSET
 529
 530                 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
 531                         {
 532                         /* We're scanning a new file or input source.  It's
 533                          * possible that this happened because the user
 534                          * just pointed yyin at a new source and called
 535                          * yylex().  If so, then we have to assure
 536                          * consistency between yy_current_buffer and our
 537                          * globals.  Here is the right place to do so, because
 538                          * this is the first action (other than possibly a
 539                          * back-up) that will match for the new input source.
 540                          */
 541                         yy_n_chars = yy_current_buffer->yy_n_chars;
 542                         yy_current_buffer->yy_input_file = yyin;
 543                         yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
 544                         }
 545
 546                 /* Note that here we test for yy_c_buf_p "<=" to the position
 547                  * of the first EOB in the buffer, since yy_c_buf_p will
 548                  * already have been incremented past the NUL character
 549                  * (since all states make transitions on EOB to the
 550                  * end-of-buffer state).  Contrast this with the test
 551                  * in input().
 552                  */
 553                 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 554                         { /* This was really a NUL. */
 555                         yy_state_type yy_next_state;
 556
 557                         yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
 558
 559                         yy_current_state = yy_get_previous_state();
 560
 561                         /* Okay, we're now positioned to make the NUL
 562                          * transition.  We couldn't have
 563                          * yy_get_previous_state() go ahead and do it
 564                          * for us because it doesn't know how to deal
 565                          * with the possibility of jamming (and we don't
 566                          * want to build jamming into it because then it
 567                          * will run more slowly).
 568                          */
 569
 570                         yy_next_state = yy_try_NUL_trans( yy_current_state );
 571
 572                         yy_bp = yytext_ptr + YY_MORE_ADJ;
 573
 574                         if ( yy_next_state )
 575                                 {
 576                                 /* Consume the NUL. */
 577                                 yy_cp = ++yy_c_buf_p;
 578                                 yy_current_state = yy_next_state;
 579                                 goto yy_match;
 580                                 }
 581
 582                         else
 583                                 {
 584 %% code to do back-up for compressed tables and set up yy_cp goes here
 585                                 goto yy_find_action;
 586                                 }
 587                         }
 588
 589                 else switch ( yy_get_next_buffer() )
 590                         {
 591                         case EOB_ACT_END_OF_FILE:
 592                                 {
 593                                 yy_did_buffer_switch_on_eof = 0;
 594
 595                                 if ( yywrap() )
 596                                         {
 597                                         /* Note: because we've taken care in
 598                                          * yy_get_next_buffer() to have set up
 599                                          * yytext, we can now set up
 600                                          * yy_c_buf_p so that if some total
 601                                          * hoser (like flex itself) wants to
 602                                          * call the scanner after we return the
 603                                          * YY_NULL, it'll still work - another
 604                                          * YY_NULL will get returned.
 605                                          */
 606                                         yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
 607
 608                                         yy_act = YY_STATE_EOF(YY_START);
 609                                         goto do_action;
 610                                         }
 611
 612                                 else
 613                                         {
 614                                         if ( ! yy_did_buffer_switch_on_eof )
 615                                                 YY_NEW_FILE;
 616                                         }
 617                                 break;
 618                                 }
 619
 620                         case EOB_ACT_CONTINUE_SCAN:
 621                                 yy_c_buf_p =
 622                                         yytext_ptr + yy_amount_of_matched_text;
 623
 624                                 yy_current_state = yy_get_previous_state();
 625
 626                                 yy_cp = yy_c_buf_p;
 627                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 628                                 goto yy_match;
 629
 630                         case EOB_ACT_LAST_MATCH:
 631                                 yy_c_buf_p =
 632                                 &yy_current_buffer->yy_ch_buf[yy_n_chars];
 633
 634                                 yy_current_state = yy_get_previous_state();
 635
 636                                 yy_cp = yy_c_buf_p;
 637                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 638                                 goto yy_find_action;
 639                         }
 640                 break;
 641                 }
 642
 643         default:
 644                 YY_FATAL_ERROR(
 645                         "fatal flex scanner internal error--no action found" );
 646         } /* end of action switch */
 647                 } /* end of scanning one token */
 648         } /* end of yylex */
 649
 650 %+
 651 yyFlexLexer::yyFlexLexer( istream* arg_yyin, ostream* arg_yyout )
 652         {
 653         yyin = arg_yyin;
 654         yyout = arg_yyout;
 655         yy_c_buf_p = 0;
 656         yy_init = 1;
 657         yy_start = 0;
 658         yy_flex_debug = 0;
 659         yylineno = 1;   // this will only get updated if %option yylineno
 660
 661         yy_did_buffer_switch_on_eof = 0;
 662
 663         yy_looking_for_trail_begin = 0;
 664         yy_more_flag = 0;
 665         yy_more_len = 0;
 666         yy_more_offset = yy_prev_more_offset = 0;
 667
 668         yy_start_stack_ptr = yy_start_stack_depth = 0;
 669         yy_start_stack = 0;
 670
 671         yy_current_buffer = 0;
 672
 673 #ifdef YY_USES_REJECT
 674         yy_state_buf = new yy_state_type[YY_BUF_SIZE + 2];
 675 #else
 676         yy_state_buf = 0;
 677 #endif
 678         }
 679
 680 yyFlexLexer::~yyFlexLexer()
 681         {
 682         delete yy_state_buf;
 683         yy_delete_buffer( yy_current_buffer );
 684         }
 685
 686 void yyFlexLexer::switch_streams( istream* new_in, ostream* new_out )
 687         {
 688         if ( new_in )
 689                 {
 690                 yy_delete_buffer( yy_current_buffer );
 691                 yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE ) );
 692                 }
 693
 694         if ( new_out )
 695                 yyout = new_out;
 696         }
 697
 698 #ifdef YY_INTERACTIVE
 699 int yyFlexLexer::LexerInput( char* buf, int /* max_size */ )
 700 #else
 701 int yyFlexLexer::LexerInput( char* buf, int max_size )
 702 #endif
 703         {
 704         if ( yyin->eof() || yyin->fail() )
 705                 return 0;
 706
 707 #ifdef YY_INTERACTIVE
 708         yyin->get( buf[0] );
 709
 710         if ( yyin->eof() )
 711                 return 0;
 712
 713         if ( yyin->bad() )
 714                 return -1;
 715
 716         return 1;
 717
 718 #else
 719         (void) yyin->read( buf, max_size );
 720
 721         if ( yyin->bad() )
 722                 return -1;
 723         else
 724                 return yyin->gcount();
 725 #endif
 726         }
 727
 728 void yyFlexLexer::LexerOutput( const char* buf, int size )
 729         {
 730         (void) yyout->write( buf, size );
 731         }
 732 %*
 733
 734 /* yy_get_next_buffer - try to read in a new buffer
 735  *
 736  * Returns a code representing an action:
 737  *      EOB_ACT_LAST_MATCH -
 738  *      EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 739  *      EOB_ACT_END_OF_FILE - end of file
 740  */
 741
 742 %-
 743 static int yy_get_next_buffer()
 744 %+
 745 int yyFlexLexer::yy_get_next_buffer()
 746 %*
 747         {
 748         register char *dest = yy_current_buffer->yy_ch_buf;
 749         register char *source = yytext_ptr;
 750         register int number_to_move, i;
 751         int ret_val;
 752
 753         if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
 754                 YY_FATAL_ERROR(
 755                 "fatal flex scanner internal error--end of buffer missed" );
 756
 757         if ( yy_current_buffer->yy_fill_buffer == 0 )
 758                 { /* Don't try to fill the buffer, so this is an EOF. */
 759                 if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
 760                         {
 761                         /* We matched a single character, the EOB, so
 762                          * treat this as a final EOF.
 763                          */
 764                         return EOB_ACT_END_OF_FILE;
 765                         }
 766
 767                 else
 768                         {
 769                         /* We matched some text prior to the EOB, first
 770                          * process it.
 771                          */
 772                         return EOB_ACT_LAST_MATCH;
 773                         }
 774                 }
 775
 776         /* Try to read more data. */
 777
 778         /* First move last chars to start of buffer. */
 779         number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
 780
 781         for ( i = 0; i < number_to_move; ++i )
 782                 *(dest++) = *(source++);
 783
 784         if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
 785                 /* don't do the read, it's not guaranteed to return an EOF,
 786                  * just force an EOF
 787                  */
 788                 yy_current_buffer->yy_n_chars = yy_n_chars = 0;
 789
 790         else
 791                 {
 792                 int num_to_read =
 793                         yy_current_buffer->yy_buf_size - number_to_move - 1;
 794
 795                 while ( num_to_read <= 0 )
 796                         { /* Not enough room in the buffer - grow it. */
 797 #ifdef YY_USES_REJECT
 798                         YY_FATAL_ERROR(
 799 "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
 800 #else
 801
 802                         /* just a shorter name for the current buffer */
 803                         YY_BUFFER_STATE b = yy_current_buffer;
 804
 805                         int yy_c_buf_p_offset =
 806                                 (int) (yy_c_buf_p - b->yy_ch_buf);
 807
 808                         if ( b->yy_is_our_buffer )
 809                                 {
 810                                 int new_size = b->yy_buf_size * 2;
 811
 812                                 if ( new_size <= 0 )
 813                                         b->yy_buf_size += b->yy_buf_size / 8;
 814                                 else
 815                                         b->yy_buf_size *= 2;
 816
 817                                 b->yy_ch_buf = (char *)
 818                                         /* Include room in for 2 EOB chars. */
 819                                         yy_flex_realloc( (void *) b->yy_ch_buf,
 820                                                          b->yy_buf_size + 2 );
 821                                 }
 822                         else
 823                                 /* Can't grow it, we don't own it. */
 824                                 b->yy_ch_buf = 0;
 825
 826                         if ( ! b->yy_ch_buf )
 827                                 YY_FATAL_ERROR(
 828                                 "fatal error - scanner input buffer overflow" );
 829
 830                         yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
 831
 832                         num_to_read = yy_current_buffer->yy_buf_size -
 833                                                 number_to_move - 1;
 834 #endif
 835                         }
 836
 837                 if ( num_to_read > YY_READ_BUF_SIZE )
 838                         num_to_read = YY_READ_BUF_SIZE;
 839
 840                 /* Read in more data. */
 841                 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
 842                         yy_n_chars, num_to_read );
 843
 844                 yy_current_buffer->yy_n_chars = yy_n_chars;
 845                 }
 846
 847         if ( yy_n_chars == 0 )
 848                 {
 849                 if ( number_to_move == YY_MORE_ADJ )
 850                         {
 851                         ret_val = EOB_ACT_END_OF_FILE;
 852                         yyrestart( yyin );
 853                         }
 854
 855                 else
 856                         {
 857                         ret_val = EOB_ACT_LAST_MATCH;
 858                         yy_current_buffer->yy_buffer_status =
 859                                 YY_BUFFER_EOF_PENDING;
 860                         }
 861                 }
 862
 863         else
 864                 ret_val = EOB_ACT_CONTINUE_SCAN;
 865
 866         yy_n_chars += number_to_move;
 867         yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
 868         yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
 869
 870         yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
 871
 872         return ret_val;
 873         }
 874
 875
 876 /* yy_get_previous_state - get the state just before the EOB char was reached */
 877
 878 %-
 879 static yy_state_type yy_get_previous_state()
 880 %+
 881 yy_state_type yyFlexLexer::yy_get_previous_state()
 882 %*
 883         {
 884         register yy_state_type yy_current_state;
 885         register char *yy_cp;
 886
 887 %% code to get the start state into yy_current_state goes here
 888
 889         for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
 890                 {
 891 %% code to find the next state goes here
 892                 }
 893
 894         return yy_current_state;
 895         }
 896
 897
 898 /* yy_try_NUL_trans - try to make a transition on the NUL character
 899  *
 900  * synopsis
 901  *      next_state = yy_try_NUL_trans( current_state );
 902  */
 903
 904 %-
 905 #ifdef YY_USE_PROTOS
 906 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
 907 #else
 908 static yy_state_type yy_try_NUL_trans( yy_current_state )
 909 yy_state_type yy_current_state;
 910 #endif
 911 %+
 912 yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
 913 %*
 914         {
 915         register int yy_is_jam;
 916 %% code to find the next state, and perhaps do backing up, goes here
 917
 918         return yy_is_jam ? 0 : yy_current_state;
 919         }
 920
 921
 922 %-
 923 #ifndef YY_NO_UNPUT
 924 #ifdef YY_USE_PROTOS
 925 static void yyunput( int c, register char *yy_bp )
 926 #else
 927 static void yyunput( c, yy_bp )
 928 int c;
 929 register char *yy_bp;
 930 #endif
 931 %+
 932 void yyFlexLexer::yyunput( int c, register char* yy_bp )
 933 %*
 934         {
 935         register char *yy_cp = yy_c_buf_p;
 936
 937         /* undo effects of setting up yytext */
 938         *yy_cp = yy_hold_char;
 939
 940         if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 941                 { /* need to shift things up to make room */
 942                 /* +2 for EOB chars. */
 943                 register int number_to_move = yy_n_chars + 2;
 944                 register char *dest = &yy_current_buffer->yy_ch_buf[
 945                                         yy_current_buffer->yy_buf_size + 2];
 946                 register char *source =
 947                                 &yy_current_buffer->yy_ch_buf[number_to_move];
 948
 949                 while ( source > yy_current_buffer->yy_ch_buf )
 950                         *--dest = *--source;
 951
 952                 yy_cp += (int) (dest - source);
 953                 yy_bp += (int) (dest - source);
 954                 yy_current_buffer->yy_n_chars =
 955                         yy_n_chars = yy_current_buffer->yy_buf_size;
 956
 957                 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 958                         YY_FATAL_ERROR( "flex scanner push-back overflow" );
 959                 }
 960
 961         *--yy_cp = (char) c;
 962
 963 %% update yylineno here
 964
 965         yytext_ptr = yy_bp;
 966         yy_hold_char = *yy_cp;
 967         yy_c_buf_p = yy_cp;
 968         }
 969 %-
 970 #endif  /* ifndef YY_NO_UNPUT */
 971 %*
 972
 973
 974 %-
 975 #ifdef __cplusplus
 976 static int yyinput()
 977 #else
 978 static int input()
 979 #endif
 980 %+
 981 int yyFlexLexer::yyinput()
 982 %*
 983         {
 984         int c;
 985
 986         *yy_c_buf_p = yy_hold_char;
 987
 988         if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
 989                 {
 990                 /* yy_c_buf_p now points to the character we want to return.
 991                  * If this occurs *before* the EOB characters, then it's a
 992                  * valid NUL; if not, then we've hit the end of the buffer.
 993                  */
 994                 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 995                         /* This was really a NUL. */
 996                         *yy_c_buf_p = '\0';
 997
 998                 else
 999                         { /* need more input */
1000                         int offset = yy_c_buf_p - yytext_ptr;
1001                         ++yy_c_buf_p;
1002
1003                         switch ( yy_get_next_buffer() )
1004                                 {
1005                                 case EOB_ACT_LAST_MATCH:
1006                                         /* This happens because yy_g_n_b()
1007                                          * sees that we've accumulated a
1008                                          * token and flags that we need to
1009                                          * try matching the token before
1010                                          * proceeding.  But for input(),
1011                                          * there's no matching to consider.
1012                                          * So convert the EOB_ACT_LAST_MATCH
1013                                          * to EOB_ACT_END_OF_FILE.
1014                                          */
1015
1016                                         /* Reset buffer status. */
1017                                         yyrestart( yyin );
1018
1019                                         /* fall through */
1020
1021                                 case EOB_ACT_END_OF_FILE:
1022                                         {
1023                                         if ( yywrap() )
1024                                                 return EOF;
1025
1026                                         if ( ! yy_did_buffer_switch_on_eof )
1027                                                 YY_NEW_FILE;
1028 #ifdef __cplusplus
1029                                         return yyinput();
1030 #else
1031                                         return input();
1032 #endif
1033                                         }
1034
1035                                 case EOB_ACT_CONTINUE_SCAN:
1036                                         yy_c_buf_p = yytext_ptr + offset;
1037                                         break;
1038                                 }
1039                         }
1040                 }
1041
1042         c = *(unsigned char *) yy_c_buf_p;      /* cast for 8-bit char's */
1043         *yy_c_buf_p = '\0';     /* preserve yytext */
1044         yy_hold_char = *++yy_c_buf_p;
1045
1046 %% update BOL and yylineno
1047
1048         return c;
1049         }
1050
1051
1052 %-
1053 #ifdef YY_USE_PROTOS
1054 void yyrestart( FILE *input_file )
1055 #else
1056 void yyrestart( input_file )
1057 FILE *input_file;
1058 #endif
1059 %+
1060 void yyFlexLexer::yyrestart( istream* input_file )
1061 %*
1062         {
1063         if ( ! yy_current_buffer )
1064                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
1065
1066         yy_init_buffer( yy_current_buffer, input_file );
1067         yy_load_buffer_state();
1068         }
1069
1070
1071 %-
1072 #ifdef YY_USE_PROTOS
1073 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1074 #else
1075 void yy_switch_to_buffer( new_buffer )
1076 YY_BUFFER_STATE new_buffer;
1077 #endif
1078 %+
1079 void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1080 %*
1081         {
1082         if ( yy_current_buffer == new_buffer )
1083                 return;
1084
1085         if ( yy_current_buffer )
1086                 {
1087                 /* Flush out information for old buffer. */
1088                 *yy_c_buf_p = yy_hold_char;
1089                 yy_current_buffer->yy_buf_pos = yy_c_buf_p;
1090                 yy_current_buffer->yy_n_chars = yy_n_chars;
1091                 }
1092
1093         yy_current_buffer = new_buffer;
1094         yy_load_buffer_state();
1095
1096         /* We don't actually know whether we did this switch during
1097          * EOF (yywrap()) processing, but the only time this flag
1098          * is looked at is after yywrap() is called, so it's safe
1099          * to go ahead and always set it.
1100          */
1101         yy_did_buffer_switch_on_eof = 1;
1102         }
1103
1104
1105 %-
1106 #ifdef YY_USE_PROTOS
1107 void yy_load_buffer_state( void )
1108 #else
1109 void yy_load_buffer_state()
1110 #endif
1111 %+
1112 void yyFlexLexer::yy_load_buffer_state()
1113 %*
1114         {
1115         yy_n_chars = yy_current_buffer->yy_n_chars;
1116         yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
1117         yyin = yy_current_buffer->yy_input_file;
1118         yy_hold_char = *yy_c_buf_p;
1119         }
1120
1121
1122 %-
1123 #ifdef YY_USE_PROTOS
1124 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
1125 #else
1126 YY_BUFFER_STATE yy_create_buffer( file, size )
1127 FILE *file;
1128 int size;
1129 #endif
1130 %+
1131 YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( istream* file, int size )
1132 %*
1133         {
1134         YY_BUFFER_STATE b;
1135
1136         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1137         if ( ! b )
1138                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1139
1140         b->yy_buf_size = size;
1141
1142         /* yy_ch_buf has to be 2 characters longer than the size given because
1143          * we need to put in 2 end-of-buffer characters.
1144          */
1145         b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
1146         if ( ! b->yy_ch_buf )
1147                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1148
1149         b->yy_is_our_buffer = 1;
1150
1151         yy_init_buffer( b, file );
1152
1153         return b;
1154         }
1155
1156
1157 %-
1158 #ifdef YY_USE_PROTOS
1159 void yy_delete_buffer( YY_BUFFER_STATE b )
1160 #else
1161 void yy_delete_buffer( b )
1162 YY_BUFFER_STATE b;
1163 #endif
1164 %+
1165 void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
1166 %*
1167         {
1168         if ( ! b )
1169                 return;
1170
1171         if ( b == yy_current_buffer )
1172                 yy_current_buffer = (YY_BUFFER_STATE) 0;
1173
1174         if ( b->yy_is_our_buffer )
1175                 yy_flex_free( (void *) b->yy_ch_buf );
1176
1177         yy_flex_free( (void *) b );
1178         }
1179
1180
1181 %-
1182 #ifndef YY_ALWAYS_INTERACTIVE
1183 #ifndef YY_NEVER_INTERACTIVE
1184 extern int isatty YY_PROTO(( int ));
1185 #endif
1186 #endif
1187
1188 #ifdef YY_USE_PROTOS
1189 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
1190 #else
1191 void yy_init_buffer( b, file )
1192 YY_BUFFER_STATE b;
1193 FILE *file;
1194 #endif
1195
1196 %+
1197 extern "C" int isatty YY_PROTO(( int ));
1198 void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, istream* file )
1199 %*
1200
1201         {
1202         yy_flush_buffer( b );
1203
1204         b->yy_input_file = file;
1205         b->yy_fill_buffer = 1;
1206
1207 %-
1208 #if YY_ALWAYS_INTERACTIVE
1209         b->yy_is_interactive = 1;
1210 #else
1211 #if YY_NEVER_INTERACTIVE
1212         b->yy_is_interactive = 0;
1213 #else
1214         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
1215 #endif
1216 #endif
1217 %+
1218         b->yy_is_interactive = 0;
1219 %*
1220         }
1221
1222
1223 %-
1224 #ifdef YY_USE_PROTOS
1225 void yy_flush_buffer( YY_BUFFER_STATE b )
1226 #else
1227 void yy_flush_buffer( b )
1228 YY_BUFFER_STATE b;
1229 #endif
1230
1231 %+
1232 void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b )
1233 %*
1234         {
1235         if ( ! b )
1236                 return;
1237
1238         b->yy_n_chars = 0;
1239
1240         /* We always need two end-of-buffer characters.  The first causes
1241          * a transition to the end-of-buffer state.  The second causes
1242          * a jam in that state.
1243          */
1244         b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1245         b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1246
1247         b->yy_buf_pos = &b->yy_ch_buf[0];
1248
1249         b->yy_at_bol = 1;
1250         b->yy_buffer_status = YY_BUFFER_NEW;
1251
1252         if ( b == yy_current_buffer )
1253                 yy_load_buffer_state();
1254         }
1255 %*
1256
1257
1258 #ifndef YY_NO_SCAN_BUFFER
1259 %-
1260 #ifdef YY_USE_PROTOS
1261 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
1262 #else
1263 YY_BUFFER_STATE yy_scan_buffer( base, size )
1264 char *base;
1265 yy_size_t size;
1266 #endif
1267         {
1268         YY_BUFFER_STATE b;
1269
1270         if ( size < 2 ||
1271              base[size-2] != YY_END_OF_BUFFER_CHAR ||
1272              base[size-1] != YY_END_OF_BUFFER_CHAR )
1273                 /* They forgot to leave room for the EOB's. */
1274                 return 0;
1275
1276         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1277         if ( ! b )
1278                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1279
1280         b->yy_buf_size = size - 2;      /* "- 2" to take care of EOB's */
1281         b->yy_buf_pos = b->yy_ch_buf = base;
1282         b->yy_is_our_buffer = 0;
1283         b->yy_input_file = 0;
1284         b->yy_n_chars = b->yy_buf_size;
1285         b->yy_is_interactive = 0;
1286         b->yy_at_bol = 1;
1287         b->yy_fill_buffer = 0;
1288         b->yy_buffer_status = YY_BUFFER_NEW;
1289
1290         yy_switch_to_buffer( b );
1291
1292         return b;
1293         }
1294 %*
1295 #endif
1296
1297
1298 #ifndef YY_NO_SCAN_STRING
1299 %-
1300 #ifdef YY_USE_PROTOS
1301 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
1302 #else
1303 YY_BUFFER_STATE yy_scan_string( yy_str )
1304 yyconst char *yy_str;
1305 #endif
1306         {
1307         int len;
1308         for ( len = 0; yy_str[len]; ++len )
1309                 ;
1310
1311         return yy_scan_bytes( yy_str, len );
1312         }
1313 %*
1314 #endif
1315
1316
1317 #ifndef YY_NO_SCAN_BYTES
1318 %-
1319 #ifdef YY_USE_PROTOS
1320 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
1321 #else
1322 YY_BUFFER_STATE yy_scan_bytes( bytes, len )
1323 yyconst char *bytes;
1324 int len;
1325 #endif
1326         {
1327         YY_BUFFER_STATE b;
1328         char *buf;
1329         yy_size_t n;
1330         int i;
1331
1332         /* Get memory for full buffer, including space for trailing EOB's. */
1333         n = len + 2;
1334         buf = (char *) yy_flex_alloc( n );
1335         if ( ! buf )
1336                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1337
1338         for ( i = 0; i < len; ++i )
1339                 buf[i] = bytes[i];
1340
1341         buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
1342
1343         b = yy_scan_buffer( buf, n );
1344         if ( ! b )
1345                 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1346
1347         /* It's okay to grow etc. this buffer, and we should throw it
1348          * away when we're done.
1349          */
1350         b->yy_is_our_buffer = 1;
1351
1352         return b;
1353         }
1354 %*
1355 #endif
1356
1357
1358 #ifndef YY_NO_PUSH_STATE
1359 %-
1360 #ifdef YY_USE_PROTOS
1361 static void yy_push_state( int new_state )
1362 #else
1363 static void yy_push_state( new_state )
1364 int new_state;
1365 #endif
1366 %+
1367 void yyFlexLexer::yy_push_state( int new_state )
1368 %*
1369         {
1370         if ( yy_start_stack_ptr >= yy_start_stack_depth )
1371                 {
1372                 yy_size_t new_size;
1373
1374                 yy_start_stack_depth += YY_START_STACK_INCR;
1375                 new_size = yy_start_stack_depth * sizeof( int );
1376
1377                 if ( ! yy_start_stack )
1378                         yy_start_stack = (int *) yy_flex_alloc( new_size );
1379
1380                 else
1381                         yy_start_stack = (int *) yy_flex_realloc(
1382                                         (void *) yy_start_stack, new_size );
1383
1384                 if ( ! yy_start_stack )
1385                         YY_FATAL_ERROR(
1386                         "out of memory expanding start-condition stack" );
1387                 }
1388
1389         yy_start_stack[yy_start_stack_ptr++] = YY_START;
1390
1391         BEGIN(new_state);
1392         }
1393 #endif
1394
1395
1396 #ifndef YY_NO_POP_STATE
1397 %-
1398 static void yy_pop_state()
1399 %+
1400 void yyFlexLexer::yy_pop_state()
1401 %*
1402         {
1403         if ( --yy_start_stack_ptr < 0 )
1404                 YY_FATAL_ERROR( "start-condition stack underflow" );
1405
1406         BEGIN(yy_start_stack[yy_start_stack_ptr]);
1407         }
1408 #endif
1409
1410
1411 #ifndef YY_NO_TOP_STATE
1412 %-
1413 static int yy_top_state()
1414 %+
1415 int yyFlexLexer::yy_top_state()
1416 %*
1417         {
1418         return yy_start_stack[yy_start_stack_ptr - 1];
1419         }
1420 #endif
1421
1422 #ifndef YY_EXIT_FAILURE
1423 #define YY_EXIT_FAILURE 2
1424 #endif
1425
1426 %-
1427 #ifdef YY_USE_PROTOS
1428 static void yy_fatal_error( yyconst char msg[] )
1429 #else
1430 static void yy_fatal_error( msg )
1431 char msg[];
1432 #endif
1433         {
1434         (void) fprintf( stderr, "%s\n", msg );
1435         exit( YY_EXIT_FAILURE );
1436         }
1437
1438 %+
1439
1440 void yyFlexLexer::LexerError( yyconst char msg[] )
1441         {
1442         cerr << msg << '\n';
1443         exit( YY_EXIT_FAILURE );
1444         }
1445 %*
1446
1447
1448 /* Redefine yyless() so it works in section 3 code. */
1449
1450 #undef yyless
1451 #define yyless(n) \
1452         do \
1453                 { \
1454                 /* Undo effects of setting up yytext. */ \
1455                 yytext[yyleng] = yy_hold_char; \
1456                 yy_c_buf_p = yytext + n; \
1457                 yy_hold_char = *yy_c_buf_p; \
1458                 *yy_c_buf_p = '\0'; \
1459                 yyleng = n; \
1460                 } \
1461         while ( 0 )
1462
1463
1464 /* Internal utility routines. */
1465
1466 #ifndef yytext_ptr
1467 #ifdef YY_USE_PROTOS
1468 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
1469 #else
1470 static void yy_flex_strncpy( s1, s2, n )
1471 char *s1;
1472 yyconst char *s2;
1473 int n;
1474 #endif
1475         {
1476         register int i;
1477         for ( i = 0; i < n; ++i )
1478                 s1[i] = s2[i];
1479         }
1480 #endif
1481
1482 #ifdef YY_NEED_STRLEN
1483 #ifdef YY_USE_PROTOS
1484 static int yy_flex_strlen( yyconst char *s )
1485 #else
1486 static int yy_flex_strlen( s )
1487 yyconst char *s;
1488 #endif
1489         {
1490         register int n;
1491         for ( n = 0; s[n]; ++n )
1492                 ;
1493
1494         return n;
1495         }
1496 #endif
1497
1498
1499 #ifdef YY_USE_PROTOS
1500 static void *yy_flex_alloc( yy_size_t size )
1501 #else
1502 static void *yy_flex_alloc( size )
1503 yy_size_t size;
1504 #endif
1505         {
1506         return (void *) malloc( size );
1507         }
1508
1509 #ifdef YY_USE_PROTOS
1510 static void *yy_flex_realloc( void *ptr, yy_size_t size )
1511 #else
1512 static void *yy_flex_realloc( ptr, size )
1513 void *ptr;
1514 yy_size_t size;
1515 #endif
1516         {
1517         /* The cast to (char *) in the following accommodates both
1518          * implementations that use char* generic pointers, and those
1519          * that use void* generic pointers.  It works with the latter
1520          * because both ANSI C and C++ allow castless assignment from
1521          * any pointer type to void*, and deal with argument conversions
1522          * as though doing an assignment.
1523          */
1524         return (void *) realloc( (char *) ptr, size );
1525         }
1526
1527 #ifdef YY_USE_PROTOS
1528 static void yy_flex_free( void *ptr )
1529 #else
1530 static void yy_flex_free( ptr )
1531 void *ptr;
1532 #endif
1533         {
1534         free( ptr );
1535         }
1536
1537 #if YY_MAIN
1538 int main()
1539         {
1540         yylex();
1541         return 0;
1542         }
1543 #endif