usr.bin/lex/flex.skl

   1 /* A lexical scanner generated by flex */
   2
   3 /* Scanner skeleton version:
   4  * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
   5  * $FreeBSD: src/usr.bin/lex/flex.skl,v 1.4 1999/10/27 07:56:44 obrien Exp $
   6  */
   7
   8 #define FLEX_SCANNER
   9 #define YY_FLEX_MAJOR_VERSION 2
  10 #define YY_FLEX_MINOR_VERSION 5
  11
  12 %-
  13 #include <stdio.h>
  14 %*
  15
  16
  17 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
  18 #ifdef c_plusplus
  19 #ifndef __cplusplus
  20 #define __cplusplus
  21 #endif
  22 #endif
  23
  24
  25 #ifdef __cplusplus
  26
  27 #include <stdlib.h>
  28 %+
  29 #include <iosfwd>
  30 using namespace std;
  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 #include <unistd.h>
  43
  44 #define YY_USE_PROTOS
  45 #define YY_USE_CONST
  46
  47 #endif  /* ! __cplusplus */
  48
  49 #ifdef YY_USE_CONST
  50 #define yyconst const
  51 #else
  52 #define yyconst
  53 #endif
  54
  55
  56 #ifdef YY_USE_PROTOS
  57 #define YY_PROTO(proto) proto
  58 #else
  59 #define YY_PROTO(proto) ()
  60 #endif
  61
  62 /* Returned upon end-of-file. */
  63 #define YY_NULL 0
  64
  65 /* Promotes a possibly negative, possibly signed char to an unsigned
  66  * integer for use as an array index.  If the signed char is negative,
  67  * we want to instead treat it as an 8-bit unsigned char, hence the
  68  * double cast.
  69  */
  70 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
  71
  72 /* Enter a start condition.  This macro really ought to take a parameter,
  73  * but we do it the disgusting crufty way forced on us by the ()-less
  74  * definition of BEGIN.
  75  */
  76 #define BEGIN yy_start = 1 + 2 *
  77
  78 /* Translate the current start state into a value that can be later handed
  79  * to BEGIN to return to the state.  The YYSTATE alias is for lex
  80  * compatibility.
  81  */
  82 #define YY_START ((yy_start - 1) / 2)
  83 #define YYSTATE YY_START
  84
  85 /* Action number for EOF rule of a given start state. */
  86 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
  87
  88 /* Special action meaning "start processing a new file". */
  89 #define YY_NEW_FILE yyrestart( yyin )
  90
  91 #define YY_END_OF_BUFFER_CHAR 0
  92
  93 /* Size of default input buffer. */
  94 #define YY_BUF_SIZE 16384
  95
  96 typedef struct yy_buffer_state *YY_BUFFER_STATE;
  97
  98 extern int yyleng;
  99 %-
 100 extern FILE *yyin, *yyout;
 101 %*
 102
 103 #define EOB_ACT_CONTINUE_SCAN 0
 104 #define EOB_ACT_END_OF_FILE 1
 105 #define EOB_ACT_LAST_MATCH 2
 106
 107 /* The funky do-while in the following #define is used to turn the definition
 108  * int a single C statement (which needs a semi-colon terminator).  This
 109  * avoids problems with code like:
 110  *
 111  *      if ( condition_holds )
 112  *              yyless( 5 );
 113  *      else
 114  *              do_something_else();
 115  *
 116  * Prior to using the do-while the compiler would get upset at the
 117  * "else" because it interpreted the "if" statement as being all
 118  * done when it reached the ';' after the yyless() call.
 119  */
 120
 121 /* Return all but the first 'n' matched characters back to the input stream. */
 122
 123 #define yyless(n) \
 124         do \
 125                 { \
 126                 /* Undo effects of setting up yytext. */ \
 127                 *yy_cp = yy_hold_char; \
 128                 YY_RESTORE_YY_MORE_OFFSET \
 129                 yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
 130                 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
 131                 } \
 132         while ( 0 )
 133
 134 #define unput(c) yyunput( c, yytext_ptr )
 135
 136 /* The following is because we cannot portably get our hands on size_t
 137  * (without autoconf's help, which isn't available because we want
 138  * flex-generated scanners to compile on their own).
 139  */
 140 typedef unsigned int yy_size_t;
 141
 142
 143 struct yy_buffer_state
 144         {
 145 %-
 146         FILE *yy_input_file;
 147 %+
 148         istream* yy_input_file;
 149 %*
 150
 151         char *yy_ch_buf;                /* input buffer */
 152         char *yy_buf_pos;               /* current position in input buffer */
 153
 154         /* Size of input buffer in bytes, not including room for EOB
 155          * characters.
 156          */
 157         yy_size_t yy_buf_size;
 158
 159         /* Number of characters read into yy_ch_buf, not including EOB
 160          * characters.
 161          */
 162         int yy_n_chars;
 163
 164         /* Whether we "own" the buffer - i.e., we know we created it,
 165          * and can realloc() it to grow it, and should free() it to
 166          * delete it.
 167          */
 168         int yy_is_our_buffer;
 169
 170         /* Whether this is an "interactive" input source; if so, and
 171          * if we're using stdio for input, then we want to use getc()
 172          * instead of fread(), to make sure we stop fetching input after
 173          * each newline.
 174          */
 175         int yy_is_interactive;
 176
 177         /* Whether we're considered to be at the beginning of a line.
 178          * If so, '^' rules will be active on the next match, otherwise
 179          * not.
 180          */
 181         int yy_at_bol;
 182
 183         /* Whether to try to fill the input buffer when we reach the
 184          * end of it.
 185          */
 186         int yy_fill_buffer;
 187
 188         int yy_buffer_status;
 189 #define YY_BUFFER_NEW 0
 190 #define YY_BUFFER_NORMAL 1
 191         /* When an EOF's been seen but there's still some text to process
 192          * then we mark the buffer as YY_EOF_PENDING, to indicate that we
 193          * shouldn't try reading from the input source any more.  We might
 194          * still have a bunch of tokens to match, though, because of
 195          * possible backing-up.
 196          *
 197          * When we actually see the EOF, we change the status to "new"
 198          * (via yyrestart()), so that the user can continue scanning by
 199          * just pointing yyin at a new input file.
 200          */
 201 #define YY_BUFFER_EOF_PENDING 2
 202         };
 203
 204 %- Standard (non-C++) definition
 205 static YY_BUFFER_STATE yy_current_buffer = 0;
 206 %*
 207
 208 /* We provide macros for accessing buffer states in case in the
 209  * future we want to put the buffer states in a more general
 210  * "scanner state".
 211  */
 212 #define YY_CURRENT_BUFFER yy_current_buffer
 213
 214
 215 %- Standard (non-C++) definition
 216 /* yy_hold_char holds the character lost when yytext is formed. */
 217 static char yy_hold_char;
 218
 219 static int yy_n_chars;          /* number of characters read into yy_ch_buf */
 220
 221
 222 int yyleng;
 223
 224 /* Points to current character in buffer. */
 225 static char *yy_c_buf_p = NULL;
 226 static int yy_init = 1;         /* whether we need to initialize */
 227 static int yy_start = 0;        /* start state number */
 228
 229 /* Flag which is used to allow yywrap()'s to do buffer switches
 230  * instead of setting up a fresh yyin.  A bit of a hack ...
 231  */
 232 static int yy_did_buffer_switch_on_eof;
 233
 234 void yyrestart YY_PROTO(( FILE *input_file ));
 235
 236 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
 237 void yy_load_buffer_state YY_PROTO(( void ));
 238 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
 239 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 240 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
 241 void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
 242 #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
 243
 244 YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
 245 YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
 246 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
 247 %*
 248
 249 static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
 250 static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ))
 251 #ifdef __GNUC__
 252         __attribute__((__unused__))
 253 #endif
 254 ;
 255 static void yy_flex_free YY_PROTO(( void * ));
 256
 257 #define yy_new_buffer yy_create_buffer
 258
 259 #define yy_set_interactive(is_interactive) \
 260         { \
 261         if ( ! yy_current_buffer ) \
 262                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 263         yy_current_buffer->yy_is_interactive = is_interactive; \
 264         }
 265
 266 #define yy_set_bol(at_bol) \
 267         { \
 268         if ( ! yy_current_buffer ) \
 269                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
 270         yy_current_buffer->yy_at_bol = at_bol; \
 271         }
 272
 273 #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
 274
 275 %% yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here
 276
 277 %- Standard (non-C++) definition
 278 static yy_state_type yy_get_previous_state YY_PROTO(( void ));
 279 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
 280 static int yy_get_next_buffer YY_PROTO(( void ));
 281 static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
 282 %*
 283
 284 /* Done after the current pattern has been matched and before the
 285  * corresponding action - sets up yytext.
 286  */
 287 #define YY_DO_BEFORE_ACTION \
 288         yytext_ptr = yy_bp; \
 289 %% code to fiddle yytext and yyleng for yymore() goes here
 290         yy_hold_char = *yy_cp; \
 291         *yy_cp = '\0'; \
 292 %% code to copy yytext_ptr to yytext[] goes here, if %array
 293         yy_c_buf_p = yy_cp;
 294
 295 %% data tables for the DFA and the user's section 1 definitions go here
 296
 297 /* Macros after this point can all be overridden by user definitions in
 298  * section 1.
 299  */
 300
 301 #ifndef YY_SKIP_YYWRAP
 302 #ifdef __cplusplus
 303 extern "C" int yywrap YY_PROTO(( void ));
 304 #else
 305 extern int yywrap YY_PROTO(( void ));
 306 #endif
 307 #endif
 308
 309 %-
 310 #ifndef YY_NO_UNPUT
 311 static void yyunput YY_PROTO(( int c, char *buf_ptr ));
 312 #endif
 313 %*
 314
 315 #ifndef yytext_ptr
 316 static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
 317 #endif
 318
 319 #ifdef YY_NEED_STRLEN
 320 static int yy_flex_strlen YY_PROTO(( yyconst char * ));
 321 #endif
 322
 323 #ifndef YY_NO_INPUT
 324 %- Standard (non-C++) definition
 325 #ifdef __cplusplus
 326 static int yyinput YY_PROTO(( void ));
 327 #else
 328 static int input YY_PROTO(( void ));
 329 #endif
 330 %*
 331 #endif
 332
 333 #if YY_STACK_USED
 334 static int yy_start_stack_ptr = 0;
 335 static int yy_start_stack_depth = 0;
 336 static int *yy_start_stack = 0;
 337 #ifndef YY_NO_PUSH_STATE
 338 static void yy_push_state YY_PROTO(( int new_state ));
 339 #endif
 340 #ifndef YY_NO_POP_STATE
 341 static void yy_pop_state YY_PROTO(( void ));
 342 #endif
 343 #ifndef YY_NO_TOP_STATE
 344 static int yy_top_state YY_PROTO(( void ));
 345 #endif
 346
 347 #else
 348 #define YY_NO_PUSH_STATE 1
 349 #define YY_NO_POP_STATE 1
 350 #define YY_NO_TOP_STATE 1
 351 #endif
 352
 353 #ifdef YY_MALLOC_DECL
 354 YY_MALLOC_DECL
 355 #else
 356 #ifndef __cplusplus
 357 #include <stdlib.h>
 358 #endif
 359 #endif
 360
 361 /* Amount of stuff to slurp up with each read. */
 362 #ifndef YY_READ_BUF_SIZE
 363 #define YY_READ_BUF_SIZE 8192
 364 #endif
 365
 366 /* Copy whatever the last rule matched to the standard output. */
 367
 368 #ifndef ECHO
 369 %- Standard (non-C++) definition
 370 /* This used to be an fputs(), but since the string might contain NUL's,
 371  * we now use fwrite().
 372  */
 373 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
 374 %+ C++ definition
 375 #define ECHO LexerOutput( yytext, yyleng )
 376 %*
 377 #endif
 378
 379 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 380  * is returned in "result".
 381  */
 382 #ifndef YY_INPUT
 383 #define YY_INPUT(buf,result,max_size) \
 384 %% fread()/read() definition of YY_INPUT goes here unless we're doing C++
 385 %+ C++ definition
 386         if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
 387                 YY_FATAL_ERROR( "input in flex scanner failed" );
 388 %*
 389 #endif
 390
 391 /* No semi-colon after return; correct usage is to write "yyterminate();" -
 392  * we don't want an extra ';' after the "return" because that will cause
 393  * some compilers to complain about unreachable statements.
 394  */
 395 #ifndef yyterminate
 396 #define yyterminate() return YY_NULL
 397 #endif
 398
 399 /* Number of entries by which start-condition stack grows. */
 400 #ifndef YY_START_STACK_INCR
 401 #define YY_START_STACK_INCR 25
 402 #endif
 403
 404 /* Report a fatal error. */
 405 #ifndef YY_FATAL_ERROR
 406 %-
 407 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
 408 %+
 409 #define YY_FATAL_ERROR(msg) LexerError( msg )
 410 %*
 411 #endif
 412
 413 /* Default declaration of generated scanner - a define so the user can
 414  * easily add parameters.
 415  */
 416 #ifndef YY_DECL
 417 %- Standard (non-C++) definition
 418 #define YY_DECL int yylex YY_PROTO(( void ))
 419 %+ C++ definition
 420 #define YY_DECL int yyFlexLexer::yylex()
 421 %*
 422 #endif
 423
 424 /* Code executed at the beginning of each rule, after yytext and yyleng
 425  * have been set up.
 426  */
 427 #ifndef YY_USER_ACTION
 428 #define YY_USER_ACTION
 429 #endif
 430
 431 /* Code executed at the end of each rule. */
 432 #ifndef YY_BREAK
 433 #define YY_BREAK break;
 434 #endif
 435
 436 %% YY_RULE_SETUP definition goes here
 437
 438 YY_DECL
 439         {
 440         yy_state_type yy_current_state;
 441         char *yy_cp, *yy_bp;
 442         int yy_act;
 443
 444 %% user's declarations go here
 445
 446         if ( yy_init )
 447                 {
 448                 yy_init = 0;
 449
 450 #ifdef YY_USER_INIT
 451                 YY_USER_INIT;
 452 #endif
 453
 454                 if ( ! yy_start )
 455                         yy_start = 1;   /* first start state */
 456
 457                 if ( ! yyin )
 458 %-
 459                         yyin = stdin;
 460 %+
 461                         yyin = &cin;
 462 %*
 463
 464                 if ( ! yyout )
 465 %-
 466                         yyout = stdout;
 467 %+
 468                         yyout = &cout;
 469 %*
 470
 471                 if ( ! yy_current_buffer )
 472                         yy_current_buffer =
 473                                 yy_create_buffer( yyin, YY_BUF_SIZE );
 474
 475                 yy_load_buffer_state();
 476                 }
 477
 478         while ( 1 )             /* loops until end-of-file is reached */
 479                 {
 480 %% yymore()-related code goes here
 481                 yy_cp = yy_c_buf_p;
 482
 483                 /* Support of yytext. */
 484                 *yy_cp = yy_hold_char;
 485
 486                 /* yy_bp points to the position in yy_ch_buf of the start of
 487                  * the current run.
 488                  */
 489                 yy_bp = yy_cp;
 490
 491 %% code to set up and find next match goes here
 492
 493 yy_find_action:
 494 %% code to find the action number goes here
 495
 496                 YY_DO_BEFORE_ACTION;
 497
 498 %% code for yylineno update goes here
 499
 500 do_action:      /* This label is used only to access EOF actions. */
 501
 502 %% debug code goes here
 503
 504                 switch ( yy_act )
 505         { /* beginning of action switch */
 506 %% actions go here
 507
 508         case YY_END_OF_BUFFER:
 509                 {
 510                 /* Amount of text matched not including the EOB char. */
 511                 int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
 512
 513                 /* Undo the effects of YY_DO_BEFORE_ACTION. */
 514                 *yy_cp = yy_hold_char;
 515                 YY_RESTORE_YY_MORE_OFFSET
 516
 517                 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
 518                         {
 519                         /* We're scanning a new file or input source.  It's
 520                          * possible that this happened because the user
 521                          * just pointed yyin at a new source and called
 522                          * yylex().  If so, then we have to assure
 523                          * consistency between yy_current_buffer and our
 524                          * globals.  Here is the right place to do so, because
 525                          * this is the first action (other than possibly a
 526                          * back-up) that will match for the new input source.
 527                          */
 528                         yy_n_chars = yy_current_buffer->yy_n_chars;
 529                         yy_current_buffer->yy_input_file = yyin;
 530                         yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
 531                         }
 532
 533                 /* Note that here we test for yy_c_buf_p "<=" to the position
 534                  * of the first EOB in the buffer, since yy_c_buf_p will
 535                  * already have been incremented past the NUL character
 536                  * (since all states make transitions on EOB to the
 537                  * end-of-buffer state).  Contrast this with the test
 538                  * in input().
 539                  */
 540                 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 541                         { /* This was really a NUL. */
 542                         yy_state_type yy_next_state;
 543
 544                         yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
 545
 546                         yy_current_state = yy_get_previous_state();
 547
 548                         /* Okay, we're now positioned to make the NUL
 549                          * transition.  We couldn't have
 550                          * yy_get_previous_state() go ahead and do it
 551                          * for us because it doesn't know how to deal
 552                          * with the possibility of jamming (and we don't
 553                          * want to build jamming into it because then it
 554                          * will run more slowly).
 555                          */
 556
 557                         yy_next_state = yy_try_NUL_trans( yy_current_state );
 558
 559                         yy_bp = yytext_ptr + YY_MORE_ADJ;
 560
 561                         if ( yy_next_state )
 562                                 {
 563                                 /* Consume the NUL. */
 564                                 yy_cp = ++yy_c_buf_p;
 565                                 yy_current_state = yy_next_state;
 566                                 goto yy_match;
 567                                 }
 568
 569                         else
 570                                 {
 571 %% code to do back-up for compressed tables and set up yy_cp goes here
 572                                 goto yy_find_action;
 573                                 }
 574                         }
 575
 576                 else switch ( yy_get_next_buffer() )
 577                         {
 578                         case EOB_ACT_END_OF_FILE:
 579                                 {
 580                                 yy_did_buffer_switch_on_eof = 0;
 581
 582                                 if ( yywrap() )
 583                                         {
 584                                         /* Note: because we've taken care in
 585                                          * yy_get_next_buffer() to have set up
 586                                          * yytext, we can now set up
 587                                          * yy_c_buf_p so that if some total
 588                                          * hoser (like flex itself) wants to
 589                                          * call the scanner after we return the
 590                                          * YY_NULL, it'll still work - another
 591                                          * YY_NULL will get returned.
 592                                          */
 593                                         yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
 594
 595                                         yy_act = YY_STATE_EOF(YY_START);
 596                                         goto do_action;
 597                                         }
 598
 599                                 else
 600                                         {
 601                                         if ( ! yy_did_buffer_switch_on_eof )
 602                                                 YY_NEW_FILE;
 603                                         }
 604                                 break;
 605                                 }
 606
 607                         case EOB_ACT_CONTINUE_SCAN:
 608                                 yy_c_buf_p =
 609                                         yytext_ptr + yy_amount_of_matched_text;
 610
 611                                 yy_current_state = yy_get_previous_state();
 612
 613                                 yy_cp = yy_c_buf_p;
 614                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 615                                 goto yy_match;
 616
 617                         case EOB_ACT_LAST_MATCH:
 618                                 yy_c_buf_p =
 619                                 &yy_current_buffer->yy_ch_buf[yy_n_chars];
 620
 621                                 yy_current_state = yy_get_previous_state();
 622
 623                                 yy_cp = yy_c_buf_p;
 624                                 yy_bp = yytext_ptr + YY_MORE_ADJ;
 625                                 goto yy_find_action;
 626                         }
 627                 break;
 628                 }
 629
 630         default:
 631                 YY_FATAL_ERROR(
 632                         "fatal flex scanner internal error--no action found" );
 633         } /* end of action switch */
 634                 } /* end of scanning one token */
 635         } /* end of yylex */
 636
 637 %+
 638 yyFlexLexer::yyFlexLexer( istream* arg_yyin, ostream* arg_yyout )
 639         {
 640         yyin = arg_yyin;
 641         yyout = arg_yyout;
 642         yy_c_buf_p = 0;
 643         yy_init = 1;
 644         yy_start = 0;
 645         yy_flex_debug = 0;
 646         yylineno = 1;   // this will only get updated if %option yylineno
 647
 648         yy_did_buffer_switch_on_eof = 0;
 649
 650         yy_looking_for_trail_begin = 0;
 651         yy_more_flag = 0;
 652         yy_more_len = 0;
 653         yy_more_offset = yy_prev_more_offset = 0;
 654
 655         yy_start_stack_ptr = yy_start_stack_depth = 0;
 656         yy_start_stack = 0;
 657
 658         yy_current_buffer = 0;
 659
 660 #ifdef YY_USES_REJECT
 661         yy_state_buf = new yy_state_type[YY_BUF_SIZE + 2];
 662 #else
 663         yy_state_buf = 0;
 664 #endif
 665         }
 666
 667 yyFlexLexer::~yyFlexLexer()
 668         {
 669         delete yy_state_buf;
 670         yy_delete_buffer( yy_current_buffer );
 671         }
 672
 673 void yyFlexLexer::switch_streams( istream* new_in, ostream* new_out )
 674         {
 675         if ( new_in )
 676                 {
 677                 yy_delete_buffer( yy_current_buffer );
 678                 yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE ) );
 679                 }
 680
 681         if ( new_out )
 682                 yyout = new_out;
 683         }
 684
 685 #ifdef YY_INTERACTIVE
 686 int yyFlexLexer::LexerInput( char* buf, int /* max_size */ )
 687 #else
 688 int yyFlexLexer::LexerInput( char* buf, int max_size )
 689 #endif
 690         {
 691         if ( yyin->eof() || yyin->fail() )
 692                 return 0;
 693
 694 #ifdef YY_INTERACTIVE
 695         yyin->get( buf[0] );
 696
 697         if ( yyin->eof() )
 698                 return 0;
 699
 700         if ( yyin->bad() )
 701                 return -1;
 702
 703         return 1;
 704
 705 #else
 706         (void) yyin->read( buf, max_size );
 707
 708         if ( yyin->bad() )
 709                 return -1;
 710         else
 711                 return yyin->gcount();
 712 #endif
 713         }
 714
 715 void yyFlexLexer::LexerOutput( const char* buf, int size )
 716         {
 717         (void) yyout->write( buf, size );
 718         }
 719 %*
 720
 721 /* yy_get_next_buffer - try to read in a new buffer
 722  *
 723  * Returns a code representing an action:
 724  *      EOB_ACT_LAST_MATCH -
 725  *      EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 726  *      EOB_ACT_END_OF_FILE - end of file
 727  */
 728
 729 %-
 730 #ifdef YY_USE_PROTOS
 731 static int yy_get_next_buffer( void )
 732 #else
 733 static int yy_get_next_buffer()
 734 #endif
 735 %+
 736 int yyFlexLexer::yy_get_next_buffer()
 737 %*
 738         {
 739         char *dest = yy_current_buffer->yy_ch_buf;
 740         char *source = yytext_ptr;
 741         int number_to_move, i;
 742         int ret_val;
 743
 744         if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
 745                 YY_FATAL_ERROR(
 746                 "fatal flex scanner internal error--end of buffer missed" );
 747
 748         if ( yy_current_buffer->yy_fill_buffer == 0 )
 749                 { /* Don't try to fill the buffer, so this is an EOF. */
 750                 if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
 751                         {
 752                         /* We matched a single character, the EOB, so
 753                          * treat this as a final EOF.
 754                          */
 755                         return EOB_ACT_END_OF_FILE;
 756                         }
 757
 758                 else
 759                         {
 760                         /* We matched some text prior to the EOB, first
 761                          * process it.
 762                          */
 763                         return EOB_ACT_LAST_MATCH;
 764                         }
 765                 }
 766
 767         /* Try to read more data. */
 768
 769         /* First move last chars to start of buffer. */
 770         number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
 771
 772         for ( i = 0; i < number_to_move; ++i )
 773                 *(dest++) = *(source++);
 774
 775         if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
 776                 /* don't do the read, it's not guaranteed to return an EOF,
 777                  * just force an EOF
 778                  */
 779                 yy_current_buffer->yy_n_chars = yy_n_chars = 0;
 780
 781         else
 782                 {
 783                 int num_to_read =
 784                         yy_current_buffer->yy_buf_size - number_to_move - 1;
 785
 786                 while ( num_to_read <= 0 )
 787                         { /* Not enough room in the buffer - grow it. */
 788 #ifdef YY_USES_REJECT
 789                         YY_FATAL_ERROR(
 790 "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
 791 #else
 792
 793                         /* just a shorter name for the current buffer */
 794                         YY_BUFFER_STATE b = yy_current_buffer;
 795
 796                         int yy_c_buf_p_offset =
 797                                 (int) (yy_c_buf_p - b->yy_ch_buf);
 798
 799                         if ( b->yy_is_our_buffer )
 800                                 {
 801                                 int new_size = b->yy_buf_size * 2;
 802
 803                                 if ( new_size <= 0 )
 804                                         b->yy_buf_size += b->yy_buf_size / 8;
 805                                 else
 806                                         b->yy_buf_size *= 2;
 807
 808                                 b->yy_ch_buf = (char *)
 809                                         /* Include room in for 2 EOB chars. */
 810                                         yy_flex_realloc( (void *) b->yy_ch_buf,
 811                                                          b->yy_buf_size + 2 );
 812                                 }
 813                         else
 814                                 /* Can't grow it, we don't own it. */
 815                                 b->yy_ch_buf = 0;
 816
 817                         if ( ! b->yy_ch_buf )
 818                                 YY_FATAL_ERROR(
 819                                 "fatal error - scanner input buffer overflow" );
 820
 821                         yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
 822
 823                         num_to_read = yy_current_buffer->yy_buf_size -
 824                                                 number_to_move - 1;
 825 #endif
 826                         }
 827
 828                 if ( num_to_read > YY_READ_BUF_SIZE )
 829                         num_to_read = YY_READ_BUF_SIZE;
 830
 831                 /* Read in more data. */
 832                 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
 833                         yy_n_chars, num_to_read );
 834
 835                 yy_current_buffer->yy_n_chars = yy_n_chars;
 836                 }
 837
 838         if ( yy_n_chars == 0 )
 839                 {
 840                 if ( number_to_move == YY_MORE_ADJ )
 841                         {
 842                         ret_val = EOB_ACT_END_OF_FILE;
 843                         yyrestart( yyin );
 844                         }
 845
 846                 else
 847                         {
 848                         ret_val = EOB_ACT_LAST_MATCH;
 849                         yy_current_buffer->yy_buffer_status =
 850                                 YY_BUFFER_EOF_PENDING;
 851                         }
 852                 }
 853
 854         else
 855                 ret_val = EOB_ACT_CONTINUE_SCAN;
 856
 857         yy_n_chars += number_to_move;
 858         yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
 859         yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
 860
 861         yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
 862
 863         return ret_val;
 864         }
 865
 866
 867 /* yy_get_previous_state - get the state just before the EOB char was reached */
 868
 869 %-
 870 #ifdef YY_USE_PROTOS
 871 static yy_state_type yy_get_previous_state( void )
 872 #else
 873 static yy_state_type yy_get_previous_state()
 874 #endif
 875 %+
 876 yy_state_type yyFlexLexer::yy_get_previous_state()
 877 %*
 878         {
 879         yy_state_type yy_current_state;
 880         char *yy_cp;
 881
 882 %% code to get the start state into yy_current_state goes here
 883
 884         for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
 885                 {
 886 %% code to find the next state goes here
 887                 }
 888
 889         return yy_current_state;
 890         }
 891
 892
 893 /* yy_try_NUL_trans - try to make a transition on the NUL character
 894  *
 895  * synopsis
 896  *      next_state = yy_try_NUL_trans( current_state );
 897  */
 898
 899 %-
 900 #ifdef YY_USE_PROTOS
 901 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
 902 #else
 903 static yy_state_type yy_try_NUL_trans( yy_current_state )
 904 yy_state_type yy_current_state;
 905 #endif
 906 %+
 907 yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
 908 %*
 909         {
 910         int yy_is_jam;
 911 %% code to find the next state, and perhaps do backing up, goes here
 912
 913         return yy_is_jam ? 0 : yy_current_state;
 914         }
 915
 916
 917 %-
 918 #ifndef YY_NO_UNPUT
 919 #ifdef YY_USE_PROTOS
 920 static void yyunput( int c, char *yy_bp )
 921 #else
 922 static void yyunput( c, yy_bp )
 923 int c;
 924 char *yy_bp;
 925 #endif
 926 %+
 927 void yyFlexLexer::yyunput( int c, char* yy_bp )
 928 %*
 929         {
 930         char *yy_cp = yy_c_buf_p;
 931
 932         /* undo effects of setting up yytext */
 933         *yy_cp = yy_hold_char;
 934
 935         if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 936                 { /* need to shift things up to make room */
 937                 /* +2 for EOB chars. */
 938                 int number_to_move = yy_n_chars + 2;
 939                 char *dest = &yy_current_buffer->yy_ch_buf[
 940                                         yy_current_buffer->yy_buf_size + 2];
 941                 char *source = &yy_current_buffer->yy_ch_buf[number_to_move];
 942
 943                 while ( source > yy_current_buffer->yy_ch_buf )
 944                         *--dest = *--source;
 945
 946                 yy_cp += (int) (dest - source);
 947                 yy_bp += (int) (dest - source);
 948                 yy_current_buffer->yy_n_chars =
 949                         yy_n_chars = yy_current_buffer->yy_buf_size;
 950
 951                 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
 952                         YY_FATAL_ERROR( "flex scanner push-back overflow" );
 953                 }
 954
 955         *--yy_cp = (char) c;
 956
 957 %% update yylineno here
 958
 959         yytext_ptr = yy_bp;
 960         yy_hold_char = *yy_cp;
 961         yy_c_buf_p = yy_cp;
 962         }
 963 %-
 964 #endif  /* ifndef YY_NO_UNPUT */
 965 %*
 966
 967
 968 %-
 969 #ifndef YY_NO_INPUT
 970 #ifdef __cplusplus
 971 static int yyinput()
 972 #else
 973 #ifdef YY_USE_PROTOS
 974 static int input( void )
 975 #else
 976 static int input()
 977 #endif
 978 #endif
 979 %+
 980 int yyFlexLexer::yyinput()
 981 %*
 982         {
 983         int c;
 984
 985         *yy_c_buf_p = yy_hold_char;
 986
 987         if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
 988                 {
 989                 /* yy_c_buf_p now points to the character we want to return.
 990                  * If this occurs *before* the EOB characters, then it's a
 991                  * valid NUL; if not, then we've hit the end of the buffer.
 992                  */
 993                 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
 994                         /* This was really a NUL. */
 995                         *yy_c_buf_p = '\0';
 996
 997                 else
 998                         { /* need more input */
 999                         int offset = yy_c_buf_p - yytext_ptr;
1000                         ++yy_c_buf_p;
1001
1002                         switch ( yy_get_next_buffer() )
1003                                 {
1004                                 case EOB_ACT_LAST_MATCH:
1005                                         /* This happens because yy_g_n_b()
1006                                          * sees that we've accumulated a
1007                                          * token and flags that we need to
1008                                          * try matching the token before
1009                                          * proceeding.  But for input(),
1010                                          * there's no matching to consider.
1011                                          * So convert the EOB_ACT_LAST_MATCH
1012                                          * to EOB_ACT_END_OF_FILE.
1013                                          */
1014
1015                                         /* Reset buffer status. */
1016                                         yyrestart( yyin );
1017
1018                                         /* fall through */
1019
1020                                 case EOB_ACT_END_OF_FILE:
1021                                         {
1022                                         if ( yywrap() )
1023                                                 return EOF;
1024
1025                                         if ( ! yy_did_buffer_switch_on_eof )
1026                                                 YY_NEW_FILE;
1027 #ifdef __cplusplus
1028                                         return yyinput();
1029 #else
1030                                         return input();
1031 #endif
1032                                         }
1033
1034                                 case EOB_ACT_CONTINUE_SCAN:
1035                                         yy_c_buf_p = yytext_ptr + offset;
1036                                         break;
1037                                 }
1038                         }
1039                 }
1040
1041         c = *(unsigned char *) yy_c_buf_p;      /* cast for 8-bit char's */
1042         *yy_c_buf_p = '\0';     /* preserve yytext */
1043         yy_hold_char = *++yy_c_buf_p;
1044
1045 %% update BOL and yylineno
1046
1047         return c;
1048         }
1049 %-
1050 #endif  /* ifndef YY_NO_INPUT */
1051 %*
1052
1053
1054 %-
1055 #ifdef YY_USE_PROTOS
1056 void yyrestart( FILE *input_file )
1057 #else
1058 void yyrestart( input_file )
1059 FILE *input_file;
1060 #endif
1061 %+
1062 void yyFlexLexer::yyrestart( istream* input_file )
1063 %*
1064         {
1065         if ( ! yy_current_buffer )
1066                 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
1067
1068         yy_init_buffer( yy_current_buffer, input_file );
1069         yy_load_buffer_state();
1070         }
1071
1072
1073 %-
1074 #ifdef YY_USE_PROTOS
1075 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1076 #else
1077 void yy_switch_to_buffer( new_buffer )
1078 YY_BUFFER_STATE new_buffer;
1079 #endif
1080 %+
1081 void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
1082 %*
1083         {
1084         if ( yy_current_buffer == new_buffer )
1085                 return;
1086
1087         if ( yy_current_buffer )
1088                 {
1089                 /* Flush out information for old buffer. */
1090                 *yy_c_buf_p = yy_hold_char;
1091                 yy_current_buffer->yy_buf_pos = yy_c_buf_p;
1092                 yy_current_buffer->yy_n_chars = yy_n_chars;
1093                 }
1094
1095         yy_current_buffer = new_buffer;
1096         yy_load_buffer_state();
1097
1098         /* We don't actually know whether we did this switch during
1099          * EOF (yywrap()) processing, but the only time this flag
1100          * is looked at is after yywrap() is called, so it's safe
1101          * to go ahead and always set it.
1102          */
1103         yy_did_buffer_switch_on_eof = 1;
1104         }
1105
1106
1107 %-
1108 #ifdef YY_USE_PROTOS
1109 void yy_load_buffer_state( void )
1110 #else
1111 void yy_load_buffer_state()
1112 #endif
1113 %+
1114 void yyFlexLexer::yy_load_buffer_state()
1115 %*
1116         {
1117         yy_n_chars = yy_current_buffer->yy_n_chars;
1118         yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
1119         yyin = yy_current_buffer->yy_input_file;
1120         yy_hold_char = *yy_c_buf_p;
1121         }
1122
1123
1124 %-
1125 #ifdef YY_USE_PROTOS
1126 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
1127 #else
1128 YY_BUFFER_STATE yy_create_buffer( file, size )
1129 FILE *file;
1130 int size;
1131 #endif
1132 %+
1133 YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( istream* file, int size )
1134 %*
1135         {
1136         YY_BUFFER_STATE b;
1137
1138         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1139         if ( ! b )
1140                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1141
1142         b->yy_buf_size = size;
1143
1144         /* yy_ch_buf has to be 2 characters longer than the size given because
1145          * we need to put in 2 end-of-buffer characters.
1146          */
1147         b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
1148         if ( ! b->yy_ch_buf )
1149                 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1150
1151         b->yy_is_our_buffer = 1;
1152
1153         yy_init_buffer( b, file );
1154
1155         return b;
1156         }
1157
1158
1159 %-
1160 #ifdef YY_USE_PROTOS
1161 void yy_delete_buffer( YY_BUFFER_STATE b )
1162 #else
1163 void yy_delete_buffer( b )
1164 YY_BUFFER_STATE b;
1165 #endif
1166 %+
1167 void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
1168 %*
1169         {
1170         if ( ! b )
1171                 return;
1172
1173         if ( b == yy_current_buffer )
1174                 yy_current_buffer = (YY_BUFFER_STATE) 0;
1175
1176         if ( b->yy_is_our_buffer )
1177                 yy_flex_free( (void *) b->yy_ch_buf );
1178
1179         yy_flex_free( (void *) b );
1180         }
1181
1182
1183 %-
1184 #ifdef YY_USE_PROTOS
1185 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
1186 #else
1187 void yy_init_buffer( b, file )
1188 YY_BUFFER_STATE b;
1189 FILE *file;
1190 #endif
1191
1192 %+
1193 extern "C" int isatty YY_PROTO(( int ));
1194 void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, istream* file )
1195 %*
1196
1197         {
1198         yy_flush_buffer( b );
1199
1200         b->yy_input_file = file;
1201         b->yy_fill_buffer = 1;
1202
1203 %-
1204 #if YY_ALWAYS_INTERACTIVE
1205         b->yy_is_interactive = 1;
1206 #else
1207 #if YY_NEVER_INTERACTIVE
1208         b->yy_is_interactive = 0;
1209 #else
1210         b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
1211 #endif
1212 #endif
1213 %+
1214         b->yy_is_interactive = 0;
1215 %*
1216         }
1217
1218
1219 %-
1220 #ifdef YY_USE_PROTOS
1221 void yy_flush_buffer( YY_BUFFER_STATE b )
1222 #else
1223 void yy_flush_buffer( b )
1224 YY_BUFFER_STATE b;
1225 #endif
1226
1227 %+
1228 void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b )
1229 %*
1230         {
1231         if ( ! b )
1232                 return;
1233
1234         b->yy_n_chars = 0;
1235
1236         /* We always need two end-of-buffer characters.  The first causes
1237          * a transition to the end-of-buffer state.  The second causes
1238          * a jam in that state.
1239          */
1240         b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1241         b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1242
1243         b->yy_buf_pos = &b->yy_ch_buf[0];
1244
1245         b->yy_at_bol = 1;
1246         b->yy_buffer_status = YY_BUFFER_NEW;
1247
1248         if ( b == yy_current_buffer )
1249                 yy_load_buffer_state();
1250         }
1251 %*
1252
1253
1254 #ifndef YY_NO_SCAN_BUFFER
1255 %-
1256 #ifdef YY_USE_PROTOS
1257 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
1258 #else
1259 YY_BUFFER_STATE yy_scan_buffer( base, size )
1260 char *base;
1261 yy_size_t size;
1262 #endif
1263         {
1264         YY_BUFFER_STATE b;
1265
1266         if ( size < 2 ||
1267              base[size-2] != YY_END_OF_BUFFER_CHAR ||
1268              base[size-1] != YY_END_OF_BUFFER_CHAR )
1269                 /* They forgot to leave room for the EOB's. */
1270                 return 0;
1271
1272         b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
1273         if ( ! b )
1274                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1275
1276         b->yy_buf_size = size - 2;      /* "- 2" to take care of EOB's */
1277         b->yy_buf_pos = b->yy_ch_buf = base;
1278         b->yy_is_our_buffer = 0;
1279         b->yy_input_file = 0;
1280         b->yy_n_chars = b->yy_buf_size;
1281         b->yy_is_interactive = 0;
1282         b->yy_at_bol = 1;
1283         b->yy_fill_buffer = 0;
1284         b->yy_buffer_status = YY_BUFFER_NEW;
1285
1286         yy_switch_to_buffer( b );
1287
1288         return b;
1289         }
1290 %*
1291 #endif
1292
1293
1294 #ifndef YY_NO_SCAN_STRING
1295 %-
1296 #ifdef YY_USE_PROTOS
1297 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
1298 #else
1299 YY_BUFFER_STATE yy_scan_string( yy_str )
1300 yyconst char *yy_str;
1301 #endif
1302         {
1303         int len;
1304         for ( len = 0; yy_str[len]; ++len )
1305                 ;
1306
1307         return yy_scan_bytes( yy_str, len );
1308         }
1309 %*
1310 #endif
1311
1312
1313 #ifndef YY_NO_SCAN_BYTES
1314 %-
1315 #ifdef YY_USE_PROTOS
1316 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
1317 #else
1318 YY_BUFFER_STATE yy_scan_bytes( bytes, len )
1319 yyconst char *bytes;
1320 int len;
1321 #endif
1322         {
1323         YY_BUFFER_STATE b;
1324         char *buf;
1325         yy_size_t n;
1326         int i;
1327
1328         /* Get memory for full buffer, including space for trailing EOB's. */
1329         n = len + 2;
1330         buf = (char *) yy_flex_alloc( n );
1331         if ( ! buf )
1332                 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1333
1334         for ( i = 0; i < len; ++i )
1335                 buf[i] = bytes[i];
1336
1337         buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
1338
1339         b = yy_scan_buffer( buf, n );
1340         if ( ! b )
1341                 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1342
1343         /* It's okay to grow etc. this buffer, and we should throw it
1344          * away when we're done.
1345          */
1346         b->yy_is_our_buffer = 1;
1347
1348         return b;
1349         }
1350 %*
1351 #endif
1352
1353
1354 #ifndef YY_NO_PUSH_STATE
1355 %-
1356 #ifdef YY_USE_PROTOS
1357 static void yy_push_state( int new_state )
1358 #else
1359 static void yy_push_state( new_state )
1360 int new_state;
1361 #endif
1362 %+
1363 void yyFlexLexer::yy_push_state( int new_state )
1364 %*
1365         {
1366         if ( yy_start_stack_ptr >= yy_start_stack_depth )
1367                 {
1368                 yy_size_t new_size;
1369
1370                 yy_start_stack_depth += YY_START_STACK_INCR;
1371                 new_size = yy_start_stack_depth * sizeof( int );
1372
1373                 if ( ! yy_start_stack )
1374                         yy_start_stack = (int *) yy_flex_alloc( new_size );
1375
1376                 else
1377                         yy_start_stack = (int *) yy_flex_realloc(
1378                                         (void *) yy_start_stack, new_size );
1379
1380                 if ( ! yy_start_stack )
1381                         YY_FATAL_ERROR(
1382                         "out of memory expanding start-condition stack" );
1383                 }
1384
1385         yy_start_stack[yy_start_stack_ptr++] = YY_START;
1386
1387         BEGIN(new_state);
1388         }
1389 #endif
1390
1391
1392 #ifndef YY_NO_POP_STATE
1393 %-
1394 #ifdef YY_USE_PROTOS
1395 static void yy_pop_state( void )
1396 #else
1397 static void yy_pop_state()
1398 #endif
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 #ifdef YY_USE_PROTOS
1414 static int yy_top_state( void )
1415 #else
1416 static int yy_top_state()
1417 #endif
1418 %+
1419 int yyFlexLexer::yy_top_state()
1420 %*
1421         {
1422         return yy_start_stack[yy_start_stack_ptr - 1];
1423         }
1424 #endif
1425
1426 #ifndef YY_EXIT_FAILURE
1427 #define YY_EXIT_FAILURE 2
1428 #endif
1429
1430 %-
1431 #ifdef YY_USE_PROTOS
1432 static void yy_fatal_error( yyconst char msg[] )
1433 #else
1434 static void yy_fatal_error( msg )
1435 char msg[];
1436 #endif
1437         {
1438         (void) fprintf( stderr, "%s\n", msg );
1439         exit( YY_EXIT_FAILURE );
1440         }
1441
1442 %+
1443
1444 void yyFlexLexer::LexerError( yyconst char msg[] )
1445         {
1446         cerr << msg << '\n';
1447         exit( YY_EXIT_FAILURE );
1448         }
1449 %*
1450
1451
1452 /* Redefine yyless() so it works in section 3 code. */
1453
1454 #undef yyless
1455 #define yyless(n) \
1456         do \
1457                 { \
1458                 /* Undo effects of setting up yytext. */ \
1459                 yytext[yyleng] = yy_hold_char; \
1460                 yy_c_buf_p = yytext + n; \
1461                 yy_hold_char = *yy_c_buf_p; \
1462                 *yy_c_buf_p = '\0'; \
1463                 yyleng = n; \
1464                 } \
1465         while ( 0 )
1466
1467
1468 /* Internal utility routines. */
1469
1470 #ifndef yytext_ptr
1471 #ifdef YY_USE_PROTOS
1472 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
1473 #else
1474 static void yy_flex_strncpy( s1, s2, n )
1475 char *s1;
1476 yyconst char *s2;
1477 int n;
1478 #endif
1479         {
1480         int i;
1481         for ( i = 0; i < n; ++i )
1482                 s1[i] = s2[i];
1483         }
1484 #endif
1485
1486 #ifdef YY_NEED_STRLEN
1487 #ifdef YY_USE_PROTOS
1488 static int yy_flex_strlen( yyconst char *s )
1489 #else
1490 static int yy_flex_strlen( s )
1491 yyconst char *s;
1492 #endif
1493         {
1494         int n;
1495         for ( n = 0; s[n]; ++n )
1496                 ;
1497
1498         return n;
1499         }
1500 #endif
1501
1502
1503 #ifdef YY_USE_PROTOS
1504 static void *yy_flex_alloc( yy_size_t size )
1505 #else
1506 static void *yy_flex_alloc( size )
1507 yy_size_t size;
1508 #endif
1509         {
1510         return (void *) malloc( size );
1511         }
1512
1513 #ifdef YY_USE_PROTOS
1514 static void *yy_flex_realloc( void *ptr, yy_size_t size )
1515 #else
1516 static void *yy_flex_realloc( ptr, size )
1517 void *ptr;
1518 yy_size_t size;
1519 #endif
1520         {
1521         /* The cast to (char *) in the following accommodates both
1522          * implementations that use char* generic pointers, and those
1523          * that use void* generic pointers.  It works with the latter
1524          * because both ANSI C and C++ allow castless assignment from
1525          * any pointer type to void*, and deal with argument conversions
1526          * as though doing an assignment.
1527          */
1528         return (void *) realloc( (char *) ptr, size );
1529         }
1530
1531 #ifdef YY_USE_PROTOS
1532 static void yy_flex_free( void *ptr )
1533 #else
1534 static void yy_flex_free( ptr )
1535 void *ptr;
1536 #endif
1537         {
1538         free( ptr );
1539         }
1540
1541 #if YY_MAIN
1542 int main()
1543         {
1544         yylex();
1545         return 0;
1546         }
1547 #endif