Annotation of OpenXM_contrib/gmp/demos/calc/calclex.c, Revision 1.1
1.1 ! ohara 1: #line 2 "calclex.c"
! 2: /* A lexical scanner generated by flex */
! 3:
! 4: /* Scanner skeleton version:
! 5: * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
! 6: * $FreeBSD: src/usr.bin/lex/flex.skl,v 1.4 1999/10/27 07:56:44 obrien Exp $
! 7: */
! 8:
! 9: #define FLEX_SCANNER
! 10: #define YY_FLEX_MAJOR_VERSION 2
! 11: #define YY_FLEX_MINOR_VERSION 5
! 12:
! 13: #include <stdio.h>
! 14:
! 15:
! 16: /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
! 17: #ifdef c_plusplus
! 18: #ifndef __cplusplus
! 19: #define __cplusplus
! 20: #endif
! 21: #endif
! 22:
! 23:
! 24: #ifdef __cplusplus
! 25:
! 26: #include <stdlib.h>
! 27: #include <unistd.h>
! 28:
! 29: /* Use prototypes in function declarations. */
! 30: #define YY_USE_PROTOS
! 31:
! 32: /* The "const" storage-class-modifier is valid. */
! 33: #define YY_USE_CONST
! 34:
! 35: #else /* ! __cplusplus */
! 36:
! 37: #if __STDC__
! 38:
! 39: #define YY_USE_PROTOS
! 40: #define YY_USE_CONST
! 41:
! 42: #endif /* __STDC__ */
! 43: #endif /* ! __cplusplus */
! 44:
! 45: #ifdef __TURBOC__
! 46: #pragma warn -rch
! 47: #pragma warn -use
! 48: #include <io.h>
! 49: #include <stdlib.h>
! 50: #define YY_USE_CONST
! 51: #define YY_USE_PROTOS
! 52: #endif
! 53:
! 54: #ifdef YY_USE_CONST
! 55: #define yyconst const
! 56: #else
! 57: #define yyconst
! 58: #endif
! 59:
! 60:
! 61: #ifdef YY_USE_PROTOS
! 62: #define YY_PROTO(proto) proto
! 63: #else
! 64: #define YY_PROTO(proto) ()
! 65: #endif
! 66:
! 67: /* Returned upon end-of-file. */
! 68: #define YY_NULL 0
! 69:
! 70: /* Promotes a possibly negative, possibly signed char to an unsigned
! 71: * integer for use as an array index. If the signed char is negative,
! 72: * we want to instead treat it as an 8-bit unsigned char, hence the
! 73: * double cast.
! 74: */
! 75: #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
! 76:
! 77: /* Enter a start condition. This macro really ought to take a parameter,
! 78: * but we do it the disgusting crufty way forced on us by the ()-less
! 79: * definition of BEGIN.
! 80: */
! 81: #define BEGIN yy_start = 1 + 2 *
! 82:
! 83: /* Translate the current start state into a value that can be later handed
! 84: * to BEGIN to return to the state. The YYSTATE alias is for lex
! 85: * compatibility.
! 86: */
! 87: #define YY_START ((yy_start - 1) / 2)
! 88: #define YYSTATE YY_START
! 89:
! 90: /* Action number for EOF rule of a given start state. */
! 91: #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
! 92:
! 93: /* Special action meaning "start processing a new file". */
! 94: #define YY_NEW_FILE yyrestart( yyin )
! 95:
! 96: #define YY_END_OF_BUFFER_CHAR 0
! 97:
! 98: /* Size of default input buffer. */
! 99: #define YY_BUF_SIZE 16384
! 100:
! 101: typedef struct yy_buffer_state *YY_BUFFER_STATE;
! 102:
! 103: extern int yyleng;
! 104: extern FILE *yyin, *yyout;
! 105:
! 106: #define EOB_ACT_CONTINUE_SCAN 0
! 107: #define EOB_ACT_END_OF_FILE 1
! 108: #define EOB_ACT_LAST_MATCH 2
! 109:
! 110: /* The funky do-while in the following #define is used to turn the definition
! 111: * int a single C statement (which needs a semi-colon terminator). This
! 112: * avoids problems with code like:
! 113: *
! 114: * if ( condition_holds )
! 115: * yyless( 5 );
! 116: * else
! 117: * do_something_else();
! 118: *
! 119: * Prior to using the do-while the compiler would get upset at the
! 120: * "else" because it interpreted the "if" statement as being all
! 121: * done when it reached the ';' after the yyless() call.
! 122: */
! 123:
! 124: /* Return all but the first 'n' matched characters back to the input stream. */
! 125:
! 126: #define yyless(n) \
! 127: do \
! 128: { \
! 129: /* Undo effects of setting up yytext. */ \
! 130: *yy_cp = yy_hold_char; \
! 131: YY_RESTORE_YY_MORE_OFFSET \
! 132: yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
! 133: YY_DO_BEFORE_ACTION; /* set up yytext again */ \
! 134: } \
! 135: while ( 0 )
! 136:
! 137: #define unput(c) yyunput( c, yytext_ptr )
! 138:
! 139: /* The following is because we cannot portably get our hands on size_t
! 140: * (without autoconf's help, which isn't available because we want
! 141: * flex-generated scanners to compile on their own).
! 142: */
! 143: typedef unsigned int yy_size_t;
! 144:
! 145:
! 146: struct yy_buffer_state
! 147: {
! 148: FILE *yy_input_file;
! 149:
! 150: char *yy_ch_buf; /* input buffer */
! 151: char *yy_buf_pos; /* current position in input buffer */
! 152:
! 153: /* Size of input buffer in bytes, not including room for EOB
! 154: * characters.
! 155: */
! 156: yy_size_t yy_buf_size;
! 157:
! 158: /* Number of characters read into yy_ch_buf, not including EOB
! 159: * characters.
! 160: */
! 161: int yy_n_chars;
! 162:
! 163: /* Whether we "own" the buffer - i.e., we know we created it,
! 164: * and can realloc() it to grow it, and should free() it to
! 165: * delete it.
! 166: */
! 167: int yy_is_our_buffer;
! 168:
! 169: /* Whether this is an "interactive" input source; if so, and
! 170: * if we're using stdio for input, then we want to use getc()
! 171: * instead of fread(), to make sure we stop fetching input after
! 172: * each newline.
! 173: */
! 174: int yy_is_interactive;
! 175:
! 176: /* Whether we're considered to be at the beginning of a line.
! 177: * If so, '^' rules will be active on the next match, otherwise
! 178: * not.
! 179: */
! 180: int yy_at_bol;
! 181:
! 182: /* Whether to try to fill the input buffer when we reach the
! 183: * end of it.
! 184: */
! 185: int yy_fill_buffer;
! 186:
! 187: int yy_buffer_status;
! 188: #define YY_BUFFER_NEW 0
! 189: #define YY_BUFFER_NORMAL 1
! 190: /* When an EOF's been seen but there's still some text to process
! 191: * then we mark the buffer as YY_EOF_PENDING, to indicate that we
! 192: * shouldn't try reading from the input source any more. We might
! 193: * still have a bunch of tokens to match, though, because of
! 194: * possible backing-up.
! 195: *
! 196: * When we actually see the EOF, we change the status to "new"
! 197: * (via yyrestart()), so that the user can continue scanning by
! 198: * just pointing yyin at a new input file.
! 199: */
! 200: #define YY_BUFFER_EOF_PENDING 2
! 201: };
! 202:
! 203: static YY_BUFFER_STATE yy_current_buffer = 0;
! 204:
! 205: /* We provide macros for accessing buffer states in case in the
! 206: * future we want to put the buffer states in a more general
! 207: * "scanner state".
! 208: */
! 209: #define YY_CURRENT_BUFFER yy_current_buffer
! 210:
! 211:
! 212: /* yy_hold_char holds the character lost when yytext is formed. */
! 213: static char yy_hold_char;
! 214:
! 215: static int yy_n_chars; /* number of characters read into yy_ch_buf */
! 216:
! 217:
! 218: int yyleng;
! 219:
! 220: /* Points to current character in buffer. */
! 221: static char *yy_c_buf_p = (char *) 0;
! 222: static int yy_init = 1; /* whether we need to initialize */
! 223: static int yy_start = 0; /* start state number */
! 224:
! 225: /* Flag which is used to allow yywrap()'s to do buffer switches
! 226: * instead of setting up a fresh yyin. A bit of a hack ...
! 227: */
! 228: static int yy_did_buffer_switch_on_eof;
! 229:
! 230: void yyrestart YY_PROTO(( FILE *input_file ));
! 231:
! 232: void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
! 233: void yy_load_buffer_state YY_PROTO(( void ));
! 234: YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
! 235: void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
! 236: void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
! 237: void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
! 238: #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
! 239:
! 240: YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
! 241: YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
! 242: YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
! 243:
! 244: static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
! 245: static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
! 246: static void yy_flex_free YY_PROTO(( void * ));
! 247:
! 248: #define yy_new_buffer yy_create_buffer
! 249:
! 250: #define yy_set_interactive(is_interactive) \
! 251: { \
! 252: if ( ! yy_current_buffer ) \
! 253: yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
! 254: yy_current_buffer->yy_is_interactive = is_interactive; \
! 255: }
! 256:
! 257: #define yy_set_bol(at_bol) \
! 258: { \
! 259: if ( ! yy_current_buffer ) \
! 260: yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
! 261: yy_current_buffer->yy_at_bol = at_bol; \
! 262: }
! 263:
! 264: #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
! 265:
! 266: typedef unsigned char YY_CHAR;
! 267: FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
! 268: typedef int yy_state_type;
! 269: extern char *yytext;
! 270: #define yytext_ptr yytext
! 271:
! 272: static yy_state_type yy_get_previous_state YY_PROTO(( void ));
! 273: static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
! 274: static int yy_get_next_buffer YY_PROTO(( void ));
! 275: static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
! 276:
! 277: /* Done after the current pattern has been matched and before the
! 278: * corresponding action - sets up yytext.
! 279: */
! 280: #define YY_DO_BEFORE_ACTION \
! 281: yytext_ptr = yy_bp; \
! 282: yyleng = (int) (yy_cp - yy_bp); \
! 283: yy_hold_char = *yy_cp; \
! 284: *yy_cp = '\0'; \
! 285: yy_c_buf_p = yy_cp;
! 286:
! 287: #define YY_NUM_RULES 19
! 288: #define YY_END_OF_BUFFER 20
! 289: static yyconst short int yy_accept[39] =
! 290: { 0,
! 291: 0, 0, 20, 18, 1, 2, 7, 6, 7, 18,
! 292: 16, 16, 2, 7, 7, 7, 16, 17, 18, 18,
! 293: 11, 6, 5, 6, 14, 16, 0, 12, 8, 10,
! 294: 9, 13, 16, 17, 3, 15, 4, 0
! 295: } ;
! 296:
! 297: static yyconst int yy_ec[256] =
! 298: { 0,
! 299: 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
! 300: 1, 2, 1, 1, 1, 1, 1, 1, 1, 1,
! 301: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 302: 1, 2, 4, 1, 5, 1, 6, 7, 1, 6,
! 303: 6, 6, 6, 6, 6, 1, 6, 8, 9, 9,
! 304: 9, 9, 9, 9, 9, 9, 9, 1, 10, 11,
! 305: 12, 13, 1, 1, 14, 14, 14, 14, 14, 14,
! 306: 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
! 307: 15, 15, 15, 15, 15, 15, 15, 16, 15, 15,
! 308: 1, 17, 1, 6, 1, 1, 15, 15, 15, 15,
! 309:
! 310: 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
! 311: 15, 15, 15, 15, 15, 15, 15, 15, 15, 16,
! 312: 15, 15, 1, 18, 1, 1, 1, 1, 1, 1,
! 313: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 314: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 315: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 316: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 317: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 318: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 319: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 320:
! 321: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 322: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 323: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 324: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 325: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 326: 1, 1, 1, 1, 1
! 327: } ;
! 328:
! 329: static yyconst int yy_meta[19] =
! 330: { 0,
! 331: 1, 1, 1, 1, 1, 1, 1, 2, 2, 1,
! 332: 1, 1, 1, 2, 3, 2, 1, 1
! 333: } ;
! 334:
! 335: static yyconst short int yy_base[43] =
! 336: { 0,
! 337: 0, 0, 39, 49, 49, 49, 26, 16, 49, 30,
! 338: 20, 19, 49, 9, 22, 10, 9, 0, 29, 13,
! 339: 49, 23, 49, 24, 49, 0, 0, 49, 49, 49,
! 340: 49, 49, 13, 0, 49, 49, 49, 49, 41, 28,
! 341: 43, 45
! 342: } ;
! 343:
! 344: static yyconst short int yy_def[43] =
! 345: { 0,
! 346: 38, 1, 38, 38, 38, 38, 38, 39, 38, 38,
! 347: 40, 40, 38, 38, 38, 38, 41, 42, 38, 38,
! 348: 38, 39, 38, 39, 38, 12, 12, 38, 38, 38,
! 349: 38, 38, 41, 42, 38, 38, 38, 0, 38, 38,
! 350: 38, 38
! 351: } ;
! 352:
! 353: static yyconst short int yy_nxt[68] =
! 354: { 0,
! 355: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
! 356: 14, 15, 16, 17, 18, 18, 19, 20, 23, 28,
! 357: 29, 31, 32, 34, 34, 23, 37, 34, 34, 26,
! 358: 36, 35, 24, 30, 38, 27, 25, 21, 38, 24,
! 359: 24, 22, 22, 22, 33, 33, 34, 34, 3, 38,
! 360: 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
! 361: 38, 38, 38, 38, 38, 38, 38
! 362: } ;
! 363:
! 364: static yyconst short int yy_chk[68] =
! 365: { 0,
! 366: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
! 367: 1, 1, 1, 1, 1, 1, 1, 1, 8, 14,
! 368: 14, 16, 16, 17, 17, 22, 24, 33, 33, 40,
! 369: 20, 19, 8, 15, 12, 11, 10, 7, 3, 22,
! 370: 24, 39, 39, 39, 41, 41, 42, 42, 38, 38,
! 371: 38, 38, 38, 38, 38, 38, 38, 38, 38, 38,
! 372: 38, 38, 38, 38, 38, 38, 38
! 373: } ;
! 374:
! 375: static yy_state_type yy_last_accepting_state;
! 376: static char *yy_last_accepting_cpos;
! 377:
! 378: /* The intent behind this definition is that it'll catch
! 379: * any uses of REJECT which flex missed.
! 380: */
! 381: #define REJECT reject_used_but_not_detected
! 382: #define yymore() yymore_used_but_not_detected
! 383: #define YY_MORE_ADJ 0
! 384: #define YY_RESTORE_YY_MORE_OFFSET
! 385: char *yytext;
! 386: #line 1 "calclex.l"
! 387: #define INITIAL 0
! 388: /* Lexical analyzer for calc program.
! 389:
! 390: Copyright 2000, 2001 Free Software Foundation, Inc.
! 391:
! 392: This file is part of the GNU MP Library.
! 393:
! 394: This program is free software; you can redistribute it and/or modify it under
! 395: the terms of the GNU General Public License as published by the Free Software
! 396: Foundation; either version 2 of the License, or (at your option) any later
! 397: version.
! 398:
! 399: This program is distributed in the hope that it will be useful, but WITHOUT ANY
! 400: WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
! 401: PARTICULAR PURPOSE. See the GNU General Public License for more details.
! 402:
! 403: You should have received a copy of the GNU General Public License along with
! 404: this program; if not, write to the Free Software Foundation, Inc., 59 Temple
! 405: Place - Suite 330, Boston, MA 02111-1307, USA. */
! 406: #line 21 "calclex.l"
! 407: #include "calc-common.h"
! 408:
! 409:
! 410: #if WITH_READLINE
! 411: /* Let GNU flex use readline. See the calcread.c redefined input() for a
! 412: way that might work for a standard lex too. */
! 413: #define YY_INPUT(buf,result,max_size) \
! 414: result = calc_input (buf, max_size);
! 415: #endif
! 416:
! 417:
! 418: /* Non-zero when reading the second or subsequent line of an expression,
! 419: used to give a different prompt when using readline. */
! 420: int calc_more_input = 0;
! 421:
! 422:
! 423: const struct calc_keywords_t calc_keywords[] = {
! 424: { "abs", ABS },
! 425: { "bin", BIN },
! 426: { "decimal", DECIMAL },
! 427: { "fib", FIB },
! 428: { "hex", HEX },
! 429: { "help", HELP },
! 430: { "gcd", GCD },
! 431: { "kron", KRON },
! 432: { "lcm", LCM },
! 433: { "lucnum", LUCNUM },
! 434: { "nextprime", NEXTPRIME },
! 435: { "powm", POWM },
! 436: { "quit", QUIT },
! 437: { "root", ROOT },
! 438: { "sqrt", SQRT },
! 439: { NULL }
! 440: };
! 441: #line 442 "calclex.c"
! 442:
! 443: /* Macros after this point can all be overridden by user definitions in
! 444: * section 1.
! 445: */
! 446:
! 447: #ifndef YY_SKIP_YYWRAP
! 448: #ifdef __cplusplus
! 449: extern "C" int yywrap YY_PROTO(( void ));
! 450: #else
! 451: extern int yywrap YY_PROTO(( void ));
! 452: #endif
! 453: #endif
! 454:
! 455: #ifndef YY_NO_UNPUT
! 456: static void yyunput YY_PROTO(( int c, char *buf_ptr ));
! 457: #endif
! 458:
! 459: #ifndef yytext_ptr
! 460: static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
! 461: #endif
! 462:
! 463: #ifdef YY_NEED_STRLEN
! 464: static int yy_flex_strlen YY_PROTO(( yyconst char * ));
! 465: #endif
! 466:
! 467: #ifndef YY_NO_INPUT
! 468: #ifdef __cplusplus
! 469: static int yyinput YY_PROTO(( void ));
! 470: #else
! 471: static int input YY_PROTO(( void ));
! 472: #endif
! 473: #endif
! 474:
! 475: #if YY_STACK_USED
! 476: static int yy_start_stack_ptr = 0;
! 477: static int yy_start_stack_depth = 0;
! 478: static int *yy_start_stack = 0;
! 479: #ifndef YY_NO_PUSH_STATE
! 480: static void yy_push_state YY_PROTO(( int new_state ));
! 481: #endif
! 482: #ifndef YY_NO_POP_STATE
! 483: static void yy_pop_state YY_PROTO(( void ));
! 484: #endif
! 485: #ifndef YY_NO_TOP_STATE
! 486: static int yy_top_state YY_PROTO(( void ));
! 487: #endif
! 488:
! 489: #else
! 490: #define YY_NO_PUSH_STATE 1
! 491: #define YY_NO_POP_STATE 1
! 492: #define YY_NO_TOP_STATE 1
! 493: #endif
! 494:
! 495: #ifdef YY_MALLOC_DECL
! 496: YY_MALLOC_DECL
! 497: #else
! 498: #if __STDC__
! 499: #ifndef __cplusplus
! 500: #include <stdlib.h>
! 501: #endif
! 502: #else
! 503: /* Just try to get by without declaring the routines. This will fail
! 504: * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
! 505: * or sizeof(void*) != sizeof(int).
! 506: */
! 507: #endif
! 508: #endif
! 509:
! 510: /* Amount of stuff to slurp up with each read. */
! 511: #ifndef YY_READ_BUF_SIZE
! 512: #define YY_READ_BUF_SIZE 8192
! 513: #endif
! 514:
! 515: /* Copy whatever the last rule matched to the standard output. */
! 516:
! 517: #ifndef ECHO
! 518: /* This used to be an fputs(), but since the string might contain NUL's,
! 519: * we now use fwrite().
! 520: */
! 521: #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
! 522: #endif
! 523:
! 524: /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
! 525: * is returned in "result".
! 526: */
! 527: #ifndef YY_INPUT
! 528: #define YY_INPUT(buf,result,max_size) \
! 529: if ( yy_current_buffer->yy_is_interactive ) \
! 530: { \
! 531: int c = '*', n; \
! 532: for ( n = 0; n < max_size && \
! 533: (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
! 534: buf[n] = (char) c; \
! 535: if ( c == '\n' ) \
! 536: buf[n++] = (char) c; \
! 537: if ( c == EOF && ferror( yyin ) ) \
! 538: YY_FATAL_ERROR( "input in flex scanner failed" ); \
! 539: result = n; \
! 540: } \
! 541: else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
! 542: && ferror( yyin ) ) \
! 543: YY_FATAL_ERROR( "input in flex scanner failed" );
! 544: #endif
! 545:
! 546: /* No semi-colon after return; correct usage is to write "yyterminate();" -
! 547: * we don't want an extra ';' after the "return" because that will cause
! 548: * some compilers to complain about unreachable statements.
! 549: */
! 550: #ifndef yyterminate
! 551: #define yyterminate() return YY_NULL
! 552: #endif
! 553:
! 554: /* Number of entries by which start-condition stack grows. */
! 555: #ifndef YY_START_STACK_INCR
! 556: #define YY_START_STACK_INCR 25
! 557: #endif
! 558:
! 559: /* Report a fatal error. */
! 560: #ifndef YY_FATAL_ERROR
! 561: #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
! 562: #endif
! 563:
! 564: /* Default declaration of generated scanner - a define so the user can
! 565: * easily add parameters.
! 566: */
! 567: #ifndef YY_DECL
! 568: #define YY_DECL int yylex YY_PROTO(( void ))
! 569: #endif
! 570:
! 571: /* Code executed at the beginning of each rule, after yytext and yyleng
! 572: * have been set up.
! 573: */
! 574: #ifndef YY_USER_ACTION
! 575: #define YY_USER_ACTION
! 576: #endif
! 577:
! 578: /* Code executed at the end of each rule. */
! 579: #ifndef YY_BREAK
! 580: #define YY_BREAK break;
! 581: #endif
! 582:
! 583: #define YY_RULE_SETUP \
! 584: YY_USER_ACTION
! 585:
! 586: YY_DECL
! 587: {
! 588: register yy_state_type yy_current_state;
! 589: register char *yy_cp, *yy_bp;
! 590: register int yy_act;
! 591:
! 592: #line 57 "calclex.l"
! 593:
! 594:
! 595: #line 596 "calclex.c"
! 596:
! 597: if ( yy_init )
! 598: {
! 599: yy_init = 0;
! 600:
! 601: #ifdef YY_USER_INIT
! 602: YY_USER_INIT;
! 603: #endif
! 604:
! 605: if ( ! yy_start )
! 606: yy_start = 1; /* first start state */
! 607:
! 608: if ( ! yyin )
! 609: yyin = stdin;
! 610:
! 611: if ( ! yyout )
! 612: yyout = stdout;
! 613:
! 614: if ( ! yy_current_buffer )
! 615: yy_current_buffer =
! 616: yy_create_buffer( yyin, YY_BUF_SIZE );
! 617:
! 618: yy_load_buffer_state();
! 619: }
! 620:
! 621: while ( 1 ) /* loops until end-of-file is reached */
! 622: {
! 623: yy_cp = yy_c_buf_p;
! 624:
! 625: /* Support of yytext. */
! 626: *yy_cp = yy_hold_char;
! 627:
! 628: /* yy_bp points to the position in yy_ch_buf of the start of
! 629: * the current run.
! 630: */
! 631: yy_bp = yy_cp;
! 632:
! 633: yy_current_state = yy_start;
! 634: yy_match:
! 635: do
! 636: {
! 637: register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
! 638: if ( yy_accept[yy_current_state] )
! 639: {
! 640: yy_last_accepting_state = yy_current_state;
! 641: yy_last_accepting_cpos = yy_cp;
! 642: }
! 643: while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
! 644: {
! 645: yy_current_state = (int) yy_def[yy_current_state];
! 646: if ( yy_current_state >= 39 )
! 647: yy_c = yy_meta[(unsigned int) yy_c];
! 648: }
! 649: yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
! 650: ++yy_cp;
! 651: }
! 652: while ( yy_base[yy_current_state] != 49 );
! 653:
! 654: yy_find_action:
! 655: yy_act = yy_accept[yy_current_state];
! 656: if ( yy_act == 0 )
! 657: { /* have to back up */
! 658: yy_cp = yy_last_accepting_cpos;
! 659: yy_current_state = yy_last_accepting_state;
! 660: yy_act = yy_accept[yy_current_state];
! 661: }
! 662:
! 663: YY_DO_BEFORE_ACTION;
! 664:
! 665:
! 666: do_action: /* This label is used only to access EOF actions. */
! 667:
! 668:
! 669: switch ( yy_act )
! 670: { /* beginning of action switch */
! 671: case 0: /* must back up */
! 672: /* undo the effects of YY_DO_BEFORE_ACTION */
! 673: *yy_cp = yy_hold_char;
! 674: yy_cp = yy_last_accepting_cpos;
! 675: yy_current_state = yy_last_accepting_state;
! 676: goto yy_find_action;
! 677:
! 678: case 1:
! 679: YY_RULE_SETUP
! 680: #line 59 "calclex.l"
! 681: { /* white space is skipped */ }
! 682: YY_BREAK
! 683: case 2:
! 684: YY_RULE_SETUP
! 685: #line 61 "calclex.l"
! 686: { /* semicolon or newline separates statements */
! 687: calc_more_input = 0;
! 688: return EOS; }
! 689: YY_BREAK
! 690: case 3:
! 691: YY_RULE_SETUP
! 692: #line 64 "calclex.l"
! 693: { /* escaped newlines are skipped */ }
! 694: YY_BREAK
! 695: case 4:
! 696: YY_RULE_SETUP
! 697: #line 67 "calclex.l"
! 698: {
! 699: /* comment through to escaped newline is skipped */ }
! 700: YY_BREAK
! 701: case 5:
! 702: YY_RULE_SETUP
! 703: #line 69 "calclex.l"
! 704: { /* comment through to newline is a separator */
! 705: calc_more_input = 0;
! 706: return EOS; }
! 707: YY_BREAK
! 708: case 6:
! 709: YY_RULE_SETUP
! 710: #line 72 "calclex.l"
! 711: { /* comment through to EOF skipped */ }
! 712: YY_BREAK
! 713: case 7:
! 714: YY_RULE_SETUP
! 715: #line 75 "calclex.l"
! 716: { return yytext[0]; }
! 717: YY_BREAK
! 718: case 8:
! 719: YY_RULE_SETUP
! 720: #line 76 "calclex.l"
! 721: { return LE; }
! 722: YY_BREAK
! 723: case 9:
! 724: YY_RULE_SETUP
! 725: #line 77 "calclex.l"
! 726: { return GE; }
! 727: YY_BREAK
! 728: case 10:
! 729: YY_RULE_SETUP
! 730: #line 78 "calclex.l"
! 731: { return EQ; }
! 732: YY_BREAK
! 733: case 11:
! 734: YY_RULE_SETUP
! 735: #line 79 "calclex.l"
! 736: { return NE; }
! 737: YY_BREAK
! 738: case 12:
! 739: YY_RULE_SETUP
! 740: #line 80 "calclex.l"
! 741: { return LSHIFT; }
! 742: YY_BREAK
! 743: case 13:
! 744: YY_RULE_SETUP
! 745: #line 81 "calclex.l"
! 746: { return RSHIFT; }
! 747: YY_BREAK
! 748: case 14:
! 749: YY_RULE_SETUP
! 750: #line 82 "calclex.l"
! 751: { return LAND; }
! 752: YY_BREAK
! 753: case 15:
! 754: YY_RULE_SETUP
! 755: #line 83 "calclex.l"
! 756: { return LOR; }
! 757: YY_BREAK
! 758: case 16:
! 759: YY_RULE_SETUP
! 760: #line 85 "calclex.l"
! 761: {
! 762: yylval.str = yytext;
! 763: return NUMBER; }
! 764: YY_BREAK
! 765: case 17:
! 766: YY_RULE_SETUP
! 767: #line 89 "calclex.l"
! 768: {
! 769: int i;
! 770:
! 771: for (i = 0; calc_keywords[i].name != NULL; i++)
! 772: if (strcmp (yytext, calc_keywords[i].name) == 0)
! 773: return calc_keywords[i].value;
! 774:
! 775: if (yytext[0] >= 'a' && yytext[0] <= 'z' && yytext[1] == '\0')
! 776: {
! 777: yylval.var = yytext[0] - 'a';
! 778: return VARIABLE;
! 779: }
! 780:
! 781: return BAD;
! 782: }
! 783: YY_BREAK
! 784: case 18:
! 785: YY_RULE_SETUP
! 786: #line 105 "calclex.l"
! 787: { return BAD; }
! 788: YY_BREAK
! 789: case 19:
! 790: YY_RULE_SETUP
! 791: #line 107 "calclex.l"
! 792: ECHO;
! 793: YY_BREAK
! 794: #line 795 "calclex.c"
! 795: case YY_STATE_EOF(INITIAL):
! 796: yyterminate();
! 797:
! 798: case YY_END_OF_BUFFER:
! 799: {
! 800: /* Amount of text matched not including the EOB char. */
! 801: int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
! 802:
! 803: /* Undo the effects of YY_DO_BEFORE_ACTION. */
! 804: *yy_cp = yy_hold_char;
! 805: YY_RESTORE_YY_MORE_OFFSET
! 806:
! 807: if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
! 808: {
! 809: /* We're scanning a new file or input source. It's
! 810: * possible that this happened because the user
! 811: * just pointed yyin at a new source and called
! 812: * yylex(). If so, then we have to assure
! 813: * consistency between yy_current_buffer and our
! 814: * globals. Here is the right place to do so, because
! 815: * this is the first action (other than possibly a
! 816: * back-up) that will match for the new input source.
! 817: */
! 818: yy_n_chars = yy_current_buffer->yy_n_chars;
! 819: yy_current_buffer->yy_input_file = yyin;
! 820: yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
! 821: }
! 822:
! 823: /* Note that here we test for yy_c_buf_p "<=" to the position
! 824: * of the first EOB in the buffer, since yy_c_buf_p will
! 825: * already have been incremented past the NUL character
! 826: * (since all states make transitions on EOB to the
! 827: * end-of-buffer state). Contrast this with the test
! 828: * in input().
! 829: */
! 830: if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
! 831: { /* This was really a NUL. */
! 832: yy_state_type yy_next_state;
! 833:
! 834: yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
! 835:
! 836: yy_current_state = yy_get_previous_state();
! 837:
! 838: /* Okay, we're now positioned to make the NUL
! 839: * transition. We couldn't have
! 840: * yy_get_previous_state() go ahead and do it
! 841: * for us because it doesn't know how to deal
! 842: * with the possibility of jamming (and we don't
! 843: * want to build jamming into it because then it
! 844: * will run more slowly).
! 845: */
! 846:
! 847: yy_next_state = yy_try_NUL_trans( yy_current_state );
! 848:
! 849: yy_bp = yytext_ptr + YY_MORE_ADJ;
! 850:
! 851: if ( yy_next_state )
! 852: {
! 853: /* Consume the NUL. */
! 854: yy_cp = ++yy_c_buf_p;
! 855: yy_current_state = yy_next_state;
! 856: goto yy_match;
! 857: }
! 858:
! 859: else
! 860: {
! 861: yy_cp = yy_c_buf_p;
! 862: goto yy_find_action;
! 863: }
! 864: }
! 865:
! 866: else switch ( yy_get_next_buffer() )
! 867: {
! 868: case EOB_ACT_END_OF_FILE:
! 869: {
! 870: yy_did_buffer_switch_on_eof = 0;
! 871:
! 872: if ( yywrap() )
! 873: {
! 874: /* Note: because we've taken care in
! 875: * yy_get_next_buffer() to have set up
! 876: * yytext, we can now set up
! 877: * yy_c_buf_p so that if some total
! 878: * hoser (like flex itself) wants to
! 879: * call the scanner after we return the
! 880: * YY_NULL, it'll still work - another
! 881: * YY_NULL will get returned.
! 882: */
! 883: yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
! 884:
! 885: yy_act = YY_STATE_EOF(YY_START);
! 886: goto do_action;
! 887: }
! 888:
! 889: else
! 890: {
! 891: if ( ! yy_did_buffer_switch_on_eof )
! 892: YY_NEW_FILE;
! 893: }
! 894: break;
! 895: }
! 896:
! 897: case EOB_ACT_CONTINUE_SCAN:
! 898: yy_c_buf_p =
! 899: yytext_ptr + yy_amount_of_matched_text;
! 900:
! 901: yy_current_state = yy_get_previous_state();
! 902:
! 903: yy_cp = yy_c_buf_p;
! 904: yy_bp = yytext_ptr + YY_MORE_ADJ;
! 905: goto yy_match;
! 906:
! 907: case EOB_ACT_LAST_MATCH:
! 908: yy_c_buf_p =
! 909: &yy_current_buffer->yy_ch_buf[yy_n_chars];
! 910:
! 911: yy_current_state = yy_get_previous_state();
! 912:
! 913: yy_cp = yy_c_buf_p;
! 914: yy_bp = yytext_ptr + YY_MORE_ADJ;
! 915: goto yy_find_action;
! 916: }
! 917: break;
! 918: }
! 919:
! 920: default:
! 921: YY_FATAL_ERROR(
! 922: "fatal flex scanner internal error--no action found" );
! 923: } /* end of action switch */
! 924: } /* end of scanning one token */
! 925: } /* end of yylex */
! 926:
! 927:
! 928: /* yy_get_next_buffer - try to read in a new buffer
! 929: *
! 930: * Returns a code representing an action:
! 931: * EOB_ACT_LAST_MATCH -
! 932: * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
! 933: * EOB_ACT_END_OF_FILE - end of file
! 934: */
! 935:
! 936: static int yy_get_next_buffer()
! 937: {
! 938: register char *dest = yy_current_buffer->yy_ch_buf;
! 939: register char *source = yytext_ptr;
! 940: register int number_to_move, i;
! 941: int ret_val;
! 942:
! 943: if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
! 944: YY_FATAL_ERROR(
! 945: "fatal flex scanner internal error--end of buffer missed" );
! 946:
! 947: if ( yy_current_buffer->yy_fill_buffer == 0 )
! 948: { /* Don't try to fill the buffer, so this is an EOF. */
! 949: if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
! 950: {
! 951: /* We matched a single character, the EOB, so
! 952: * treat this as a final EOF.
! 953: */
! 954: return EOB_ACT_END_OF_FILE;
! 955: }
! 956:
! 957: else
! 958: {
! 959: /* We matched some text prior to the EOB, first
! 960: * process it.
! 961: */
! 962: return EOB_ACT_LAST_MATCH;
! 963: }
! 964: }
! 965:
! 966: /* Try to read more data. */
! 967:
! 968: /* First move last chars to start of buffer. */
! 969: number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
! 970:
! 971: for ( i = 0; i < number_to_move; ++i )
! 972: *(dest++) = *(source++);
! 973:
! 974: if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
! 975: /* don't do the read, it's not guaranteed to return an EOF,
! 976: * just force an EOF
! 977: */
! 978: yy_current_buffer->yy_n_chars = yy_n_chars = 0;
! 979:
! 980: else
! 981: {
! 982: int num_to_read =
! 983: yy_current_buffer->yy_buf_size - number_to_move - 1;
! 984:
! 985: while ( num_to_read <= 0 )
! 986: { /* Not enough room in the buffer - grow it. */
! 987: #ifdef YY_USES_REJECT
! 988: YY_FATAL_ERROR(
! 989: "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
! 990: #else
! 991:
! 992: /* just a shorter name for the current buffer */
! 993: YY_BUFFER_STATE b = yy_current_buffer;
! 994:
! 995: int yy_c_buf_p_offset =
! 996: (int) (yy_c_buf_p - b->yy_ch_buf);
! 997:
! 998: if ( b->yy_is_our_buffer )
! 999: {
! 1000: int new_size = b->yy_buf_size * 2;
! 1001:
! 1002: if ( new_size <= 0 )
! 1003: b->yy_buf_size += b->yy_buf_size / 8;
! 1004: else
! 1005: b->yy_buf_size *= 2;
! 1006:
! 1007: b->yy_ch_buf = (char *)
! 1008: /* Include room in for 2 EOB chars. */
! 1009: yy_flex_realloc( (void *) b->yy_ch_buf,
! 1010: b->yy_buf_size + 2 );
! 1011: }
! 1012: else
! 1013: /* Can't grow it, we don't own it. */
! 1014: b->yy_ch_buf = 0;
! 1015:
! 1016: if ( ! b->yy_ch_buf )
! 1017: YY_FATAL_ERROR(
! 1018: "fatal error - scanner input buffer overflow" );
! 1019:
! 1020: yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
! 1021:
! 1022: num_to_read = yy_current_buffer->yy_buf_size -
! 1023: number_to_move - 1;
! 1024: #endif
! 1025: }
! 1026:
! 1027: if ( num_to_read > YY_READ_BUF_SIZE )
! 1028: num_to_read = YY_READ_BUF_SIZE;
! 1029:
! 1030: /* Read in more data. */
! 1031: YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
! 1032: yy_n_chars, num_to_read );
! 1033:
! 1034: yy_current_buffer->yy_n_chars = yy_n_chars;
! 1035: }
! 1036:
! 1037: if ( yy_n_chars == 0 )
! 1038: {
! 1039: if ( number_to_move == YY_MORE_ADJ )
! 1040: {
! 1041: ret_val = EOB_ACT_END_OF_FILE;
! 1042: yyrestart( yyin );
! 1043: }
! 1044:
! 1045: else
! 1046: {
! 1047: ret_val = EOB_ACT_LAST_MATCH;
! 1048: yy_current_buffer->yy_buffer_status =
! 1049: YY_BUFFER_EOF_PENDING;
! 1050: }
! 1051: }
! 1052:
! 1053: else
! 1054: ret_val = EOB_ACT_CONTINUE_SCAN;
! 1055:
! 1056: yy_n_chars += number_to_move;
! 1057: yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
! 1058: yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
! 1059:
! 1060: yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
! 1061:
! 1062: return ret_val;
! 1063: }
! 1064:
! 1065:
! 1066: /* yy_get_previous_state - get the state just before the EOB char was reached */
! 1067:
! 1068: static yy_state_type yy_get_previous_state()
! 1069: {
! 1070: register yy_state_type yy_current_state;
! 1071: register char *yy_cp;
! 1072:
! 1073: yy_current_state = yy_start;
! 1074:
! 1075: for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
! 1076: {
! 1077: register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
! 1078: if ( yy_accept[yy_current_state] )
! 1079: {
! 1080: yy_last_accepting_state = yy_current_state;
! 1081: yy_last_accepting_cpos = yy_cp;
! 1082: }
! 1083: while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
! 1084: {
! 1085: yy_current_state = (int) yy_def[yy_current_state];
! 1086: if ( yy_current_state >= 39 )
! 1087: yy_c = yy_meta[(unsigned int) yy_c];
! 1088: }
! 1089: yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
! 1090: }
! 1091:
! 1092: return yy_current_state;
! 1093: }
! 1094:
! 1095:
! 1096: /* yy_try_NUL_trans - try to make a transition on the NUL character
! 1097: *
! 1098: * synopsis
! 1099: * next_state = yy_try_NUL_trans( current_state );
! 1100: */
! 1101:
! 1102: #ifdef YY_USE_PROTOS
! 1103: static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
! 1104: #else
! 1105: static yy_state_type yy_try_NUL_trans( yy_current_state )
! 1106: yy_state_type yy_current_state;
! 1107: #endif
! 1108: {
! 1109: register int yy_is_jam;
! 1110: register char *yy_cp = yy_c_buf_p;
! 1111:
! 1112: register YY_CHAR yy_c = 1;
! 1113: if ( yy_accept[yy_current_state] )
! 1114: {
! 1115: yy_last_accepting_state = yy_current_state;
! 1116: yy_last_accepting_cpos = yy_cp;
! 1117: }
! 1118: while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
! 1119: {
! 1120: yy_current_state = (int) yy_def[yy_current_state];
! 1121: if ( yy_current_state >= 39 )
! 1122: yy_c = yy_meta[(unsigned int) yy_c];
! 1123: }
! 1124: yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
! 1125: yy_is_jam = (yy_current_state == 38);
! 1126:
! 1127: return yy_is_jam ? 0 : yy_current_state;
! 1128: }
! 1129:
! 1130:
! 1131: #ifndef YY_NO_UNPUT
! 1132: #ifdef YY_USE_PROTOS
! 1133: static void yyunput( int c, register char *yy_bp )
! 1134: #else
! 1135: static void yyunput( c, yy_bp )
! 1136: int c;
! 1137: register char *yy_bp;
! 1138: #endif
! 1139: {
! 1140: register char *yy_cp = yy_c_buf_p;
! 1141:
! 1142: /* undo effects of setting up yytext */
! 1143: *yy_cp = yy_hold_char;
! 1144:
! 1145: if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
! 1146: { /* need to shift things up to make room */
! 1147: /* +2 for EOB chars. */
! 1148: register int number_to_move = yy_n_chars + 2;
! 1149: register char *dest = &yy_current_buffer->yy_ch_buf[
! 1150: yy_current_buffer->yy_buf_size + 2];
! 1151: register char *source =
! 1152: &yy_current_buffer->yy_ch_buf[number_to_move];
! 1153:
! 1154: while ( source > yy_current_buffer->yy_ch_buf )
! 1155: *--dest = *--source;
! 1156:
! 1157: yy_cp += (int) (dest - source);
! 1158: yy_bp += (int) (dest - source);
! 1159: yy_current_buffer->yy_n_chars =
! 1160: yy_n_chars = yy_current_buffer->yy_buf_size;
! 1161:
! 1162: if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
! 1163: YY_FATAL_ERROR( "flex scanner push-back overflow" );
! 1164: }
! 1165:
! 1166: *--yy_cp = (char) c;
! 1167:
! 1168:
! 1169: yytext_ptr = yy_bp;
! 1170: yy_hold_char = *yy_cp;
! 1171: yy_c_buf_p = yy_cp;
! 1172: }
! 1173: #endif /* ifndef YY_NO_UNPUT */
! 1174:
! 1175:
! 1176: #ifdef __cplusplus
! 1177: static int yyinput()
! 1178: #else
! 1179: static int input()
! 1180: #endif
! 1181: {
! 1182: int c;
! 1183:
! 1184: *yy_c_buf_p = yy_hold_char;
! 1185:
! 1186: if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
! 1187: {
! 1188: /* yy_c_buf_p now points to the character we want to return.
! 1189: * If this occurs *before* the EOB characters, then it's a
! 1190: * valid NUL; if not, then we've hit the end of the buffer.
! 1191: */
! 1192: if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
! 1193: /* This was really a NUL. */
! 1194: *yy_c_buf_p = '\0';
! 1195:
! 1196: else
! 1197: { /* need more input */
! 1198: int offset = yy_c_buf_p - yytext_ptr;
! 1199: ++yy_c_buf_p;
! 1200:
! 1201: switch ( yy_get_next_buffer() )
! 1202: {
! 1203: case EOB_ACT_LAST_MATCH:
! 1204: /* This happens because yy_g_n_b()
! 1205: * sees that we've accumulated a
! 1206: * token and flags that we need to
! 1207: * try matching the token before
! 1208: * proceeding. But for input(),
! 1209: * there's no matching to consider.
! 1210: * So convert the EOB_ACT_LAST_MATCH
! 1211: * to EOB_ACT_END_OF_FILE.
! 1212: */
! 1213:
! 1214: /* Reset buffer status. */
! 1215: yyrestart( yyin );
! 1216:
! 1217: /* fall through */
! 1218:
! 1219: case EOB_ACT_END_OF_FILE:
! 1220: {
! 1221: if ( yywrap() )
! 1222: return EOF;
! 1223:
! 1224: if ( ! yy_did_buffer_switch_on_eof )
! 1225: YY_NEW_FILE;
! 1226: #ifdef __cplusplus
! 1227: return yyinput();
! 1228: #else
! 1229: return input();
! 1230: #endif
! 1231: }
! 1232:
! 1233: case EOB_ACT_CONTINUE_SCAN:
! 1234: yy_c_buf_p = yytext_ptr + offset;
! 1235: break;
! 1236: }
! 1237: }
! 1238: }
! 1239:
! 1240: c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */
! 1241: *yy_c_buf_p = '\0'; /* preserve yytext */
! 1242: yy_hold_char = *++yy_c_buf_p;
! 1243:
! 1244:
! 1245: return c;
! 1246: }
! 1247:
! 1248:
! 1249: #ifdef YY_USE_PROTOS
! 1250: void yyrestart( FILE *input_file )
! 1251: #else
! 1252: void yyrestart( input_file )
! 1253: FILE *input_file;
! 1254: #endif
! 1255: {
! 1256: if ( ! yy_current_buffer )
! 1257: yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
! 1258:
! 1259: yy_init_buffer( yy_current_buffer, input_file );
! 1260: yy_load_buffer_state();
! 1261: }
! 1262:
! 1263:
! 1264: #ifdef YY_USE_PROTOS
! 1265: void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
! 1266: #else
! 1267: void yy_switch_to_buffer( new_buffer )
! 1268: YY_BUFFER_STATE new_buffer;
! 1269: #endif
! 1270: {
! 1271: if ( yy_current_buffer == new_buffer )
! 1272: return;
! 1273:
! 1274: if ( yy_current_buffer )
! 1275: {
! 1276: /* Flush out information for old buffer. */
! 1277: *yy_c_buf_p = yy_hold_char;
! 1278: yy_current_buffer->yy_buf_pos = yy_c_buf_p;
! 1279: yy_current_buffer->yy_n_chars = yy_n_chars;
! 1280: }
! 1281:
! 1282: yy_current_buffer = new_buffer;
! 1283: yy_load_buffer_state();
! 1284:
! 1285: /* We don't actually know whether we did this switch during
! 1286: * EOF (yywrap()) processing, but the only time this flag
! 1287: * is looked at is after yywrap() is called, so it's safe
! 1288: * to go ahead and always set it.
! 1289: */
! 1290: yy_did_buffer_switch_on_eof = 1;
! 1291: }
! 1292:
! 1293:
! 1294: #ifdef YY_USE_PROTOS
! 1295: void yy_load_buffer_state( void )
! 1296: #else
! 1297: void yy_load_buffer_state()
! 1298: #endif
! 1299: {
! 1300: yy_n_chars = yy_current_buffer->yy_n_chars;
! 1301: yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
! 1302: yyin = yy_current_buffer->yy_input_file;
! 1303: yy_hold_char = *yy_c_buf_p;
! 1304: }
! 1305:
! 1306:
! 1307: #ifdef YY_USE_PROTOS
! 1308: YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
! 1309: #else
! 1310: YY_BUFFER_STATE yy_create_buffer( file, size )
! 1311: FILE *file;
! 1312: int size;
! 1313: #endif
! 1314: {
! 1315: YY_BUFFER_STATE b;
! 1316:
! 1317: b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
! 1318: if ( ! b )
! 1319: YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
! 1320:
! 1321: b->yy_buf_size = size;
! 1322:
! 1323: /* yy_ch_buf has to be 2 characters longer than the size given because
! 1324: * we need to put in 2 end-of-buffer characters.
! 1325: */
! 1326: b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
! 1327: if ( ! b->yy_ch_buf )
! 1328: YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
! 1329:
! 1330: b->yy_is_our_buffer = 1;
! 1331:
! 1332: yy_init_buffer( b, file );
! 1333:
! 1334: return b;
! 1335: }
! 1336:
! 1337:
! 1338: #ifdef YY_USE_PROTOS
! 1339: void yy_delete_buffer( YY_BUFFER_STATE b )
! 1340: #else
! 1341: void yy_delete_buffer( b )
! 1342: YY_BUFFER_STATE b;
! 1343: #endif
! 1344: {
! 1345: if ( ! b )
! 1346: return;
! 1347:
! 1348: if ( b == yy_current_buffer )
! 1349: yy_current_buffer = (YY_BUFFER_STATE) 0;
! 1350:
! 1351: if ( b->yy_is_our_buffer )
! 1352: yy_flex_free( (void *) b->yy_ch_buf );
! 1353:
! 1354: yy_flex_free( (void *) b );
! 1355: }
! 1356:
! 1357:
! 1358: #ifndef YY_ALWAYS_INTERACTIVE
! 1359: #ifndef YY_NEVER_INTERACTIVE
! 1360: extern int isatty YY_PROTO(( int ));
! 1361: #endif
! 1362: #endif
! 1363:
! 1364: #ifdef YY_USE_PROTOS
! 1365: void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
! 1366: #else
! 1367: void yy_init_buffer( b, file )
! 1368: YY_BUFFER_STATE b;
! 1369: FILE *file;
! 1370: #endif
! 1371:
! 1372:
! 1373: {
! 1374: yy_flush_buffer( b );
! 1375:
! 1376: b->yy_input_file = file;
! 1377: b->yy_fill_buffer = 1;
! 1378:
! 1379: #if YY_ALWAYS_INTERACTIVE
! 1380: b->yy_is_interactive = 1;
! 1381: #else
! 1382: #if YY_NEVER_INTERACTIVE
! 1383: b->yy_is_interactive = 0;
! 1384: #else
! 1385: b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
! 1386: #endif
! 1387: #endif
! 1388: }
! 1389:
! 1390:
! 1391: #ifdef YY_USE_PROTOS
! 1392: void yy_flush_buffer( YY_BUFFER_STATE b )
! 1393: #else
! 1394: void yy_flush_buffer( b )
! 1395: YY_BUFFER_STATE b;
! 1396: #endif
! 1397:
! 1398: {
! 1399: if ( ! b )
! 1400: return;
! 1401:
! 1402: b->yy_n_chars = 0;
! 1403:
! 1404: /* We always need two end-of-buffer characters. The first causes
! 1405: * a transition to the end-of-buffer state. The second causes
! 1406: * a jam in that state.
! 1407: */
! 1408: b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
! 1409: b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
! 1410:
! 1411: b->yy_buf_pos = &b->yy_ch_buf[0];
! 1412:
! 1413: b->yy_at_bol = 1;
! 1414: b->yy_buffer_status = YY_BUFFER_NEW;
! 1415:
! 1416: if ( b == yy_current_buffer )
! 1417: yy_load_buffer_state();
! 1418: }
! 1419:
! 1420:
! 1421: #ifndef YY_NO_SCAN_BUFFER
! 1422: #ifdef YY_USE_PROTOS
! 1423: YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
! 1424: #else
! 1425: YY_BUFFER_STATE yy_scan_buffer( base, size )
! 1426: char *base;
! 1427: yy_size_t size;
! 1428: #endif
! 1429: {
! 1430: YY_BUFFER_STATE b;
! 1431:
! 1432: if ( size < 2 ||
! 1433: base[size-2] != YY_END_OF_BUFFER_CHAR ||
! 1434: base[size-1] != YY_END_OF_BUFFER_CHAR )
! 1435: /* They forgot to leave room for the EOB's. */
! 1436: return 0;
! 1437:
! 1438: b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
! 1439: if ( ! b )
! 1440: YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
! 1441:
! 1442: b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
! 1443: b->yy_buf_pos = b->yy_ch_buf = base;
! 1444: b->yy_is_our_buffer = 0;
! 1445: b->yy_input_file = 0;
! 1446: b->yy_n_chars = b->yy_buf_size;
! 1447: b->yy_is_interactive = 0;
! 1448: b->yy_at_bol = 1;
! 1449: b->yy_fill_buffer = 0;
! 1450: b->yy_buffer_status = YY_BUFFER_NEW;
! 1451:
! 1452: yy_switch_to_buffer( b );
! 1453:
! 1454: return b;
! 1455: }
! 1456: #endif
! 1457:
! 1458:
! 1459: #ifndef YY_NO_SCAN_STRING
! 1460: #ifdef YY_USE_PROTOS
! 1461: YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
! 1462: #else
! 1463: YY_BUFFER_STATE yy_scan_string( yy_str )
! 1464: yyconst char *yy_str;
! 1465: #endif
! 1466: {
! 1467: int len;
! 1468: for ( len = 0; yy_str[len]; ++len )
! 1469: ;
! 1470:
! 1471: return yy_scan_bytes( yy_str, len );
! 1472: }
! 1473: #endif
! 1474:
! 1475:
! 1476: #ifndef YY_NO_SCAN_BYTES
! 1477: #ifdef YY_USE_PROTOS
! 1478: YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
! 1479: #else
! 1480: YY_BUFFER_STATE yy_scan_bytes( bytes, len )
! 1481: yyconst char *bytes;
! 1482: int len;
! 1483: #endif
! 1484: {
! 1485: YY_BUFFER_STATE b;
! 1486: char *buf;
! 1487: yy_size_t n;
! 1488: int i;
! 1489:
! 1490: /* Get memory for full buffer, including space for trailing EOB's. */
! 1491: n = len + 2;
! 1492: buf = (char *) yy_flex_alloc( n );
! 1493: if ( ! buf )
! 1494: YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
! 1495:
! 1496: for ( i = 0; i < len; ++i )
! 1497: buf[i] = bytes[i];
! 1498:
! 1499: buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
! 1500:
! 1501: b = yy_scan_buffer( buf, n );
! 1502: if ( ! b )
! 1503: YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
! 1504:
! 1505: /* It's okay to grow etc. this buffer, and we should throw it
! 1506: * away when we're done.
! 1507: */
! 1508: b->yy_is_our_buffer = 1;
! 1509:
! 1510: return b;
! 1511: }
! 1512: #endif
! 1513:
! 1514:
! 1515: #ifndef YY_NO_PUSH_STATE
! 1516: #ifdef YY_USE_PROTOS
! 1517: static void yy_push_state( int new_state )
! 1518: #else
! 1519: static void yy_push_state( new_state )
! 1520: int new_state;
! 1521: #endif
! 1522: {
! 1523: if ( yy_start_stack_ptr >= yy_start_stack_depth )
! 1524: {
! 1525: yy_size_t new_size;
! 1526:
! 1527: yy_start_stack_depth += YY_START_STACK_INCR;
! 1528: new_size = yy_start_stack_depth * sizeof( int );
! 1529:
! 1530: if ( ! yy_start_stack )
! 1531: yy_start_stack = (int *) yy_flex_alloc( new_size );
! 1532:
! 1533: else
! 1534: yy_start_stack = (int *) yy_flex_realloc(
! 1535: (void *) yy_start_stack, new_size );
! 1536:
! 1537: if ( ! yy_start_stack )
! 1538: YY_FATAL_ERROR(
! 1539: "out of memory expanding start-condition stack" );
! 1540: }
! 1541:
! 1542: yy_start_stack[yy_start_stack_ptr++] = YY_START;
! 1543:
! 1544: BEGIN(new_state);
! 1545: }
! 1546: #endif
! 1547:
! 1548:
! 1549: #ifndef YY_NO_POP_STATE
! 1550: static void yy_pop_state()
! 1551: {
! 1552: if ( --yy_start_stack_ptr < 0 )
! 1553: YY_FATAL_ERROR( "start-condition stack underflow" );
! 1554:
! 1555: BEGIN(yy_start_stack[yy_start_stack_ptr]);
! 1556: }
! 1557: #endif
! 1558:
! 1559:
! 1560: #ifndef YY_NO_TOP_STATE
! 1561: static int yy_top_state()
! 1562: {
! 1563: return yy_start_stack[yy_start_stack_ptr - 1];
! 1564: }
! 1565: #endif
! 1566:
! 1567: #ifndef YY_EXIT_FAILURE
! 1568: #define YY_EXIT_FAILURE 2
! 1569: #endif
! 1570:
! 1571: #ifdef YY_USE_PROTOS
! 1572: static void yy_fatal_error( yyconst char msg[] )
! 1573: #else
! 1574: static void yy_fatal_error( msg )
! 1575: char msg[];
! 1576: #endif
! 1577: {
! 1578: (void) fprintf( stderr, "%s\n", msg );
! 1579: exit( YY_EXIT_FAILURE );
! 1580: }
! 1581:
! 1582:
! 1583:
! 1584: /* Redefine yyless() so it works in section 3 code. */
! 1585:
! 1586: #undef yyless
! 1587: #define yyless(n) \
! 1588: do \
! 1589: { \
! 1590: /* Undo effects of setting up yytext. */ \
! 1591: yytext[yyleng] = yy_hold_char; \
! 1592: yy_c_buf_p = yytext + n; \
! 1593: yy_hold_char = *yy_c_buf_p; \
! 1594: *yy_c_buf_p = '\0'; \
! 1595: yyleng = n; \
! 1596: } \
! 1597: while ( 0 )
! 1598:
! 1599:
! 1600: /* Internal utility routines. */
! 1601:
! 1602: #ifndef yytext_ptr
! 1603: #ifdef YY_USE_PROTOS
! 1604: static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
! 1605: #else
! 1606: static void yy_flex_strncpy( s1, s2, n )
! 1607: char *s1;
! 1608: yyconst char *s2;
! 1609: int n;
! 1610: #endif
! 1611: {
! 1612: register int i;
! 1613: for ( i = 0; i < n; ++i )
! 1614: s1[i] = s2[i];
! 1615: }
! 1616: #endif
! 1617:
! 1618: #ifdef YY_NEED_STRLEN
! 1619: #ifdef YY_USE_PROTOS
! 1620: static int yy_flex_strlen( yyconst char *s )
! 1621: #else
! 1622: static int yy_flex_strlen( s )
! 1623: yyconst char *s;
! 1624: #endif
! 1625: {
! 1626: register int n;
! 1627: for ( n = 0; s[n]; ++n )
! 1628: ;
! 1629:
! 1630: return n;
! 1631: }
! 1632: #endif
! 1633:
! 1634:
! 1635: #ifdef YY_USE_PROTOS
! 1636: static void *yy_flex_alloc( yy_size_t size )
! 1637: #else
! 1638: static void *yy_flex_alloc( size )
! 1639: yy_size_t size;
! 1640: #endif
! 1641: {
! 1642: return (void *) malloc( size );
! 1643: }
! 1644:
! 1645: #ifdef YY_USE_PROTOS
! 1646: static void *yy_flex_realloc( void *ptr, yy_size_t size )
! 1647: #else
! 1648: static void *yy_flex_realloc( ptr, size )
! 1649: void *ptr;
! 1650: yy_size_t size;
! 1651: #endif
! 1652: {
! 1653: /* The cast to (char *) in the following accommodates both
! 1654: * implementations that use char* generic pointers, and those
! 1655: * that use void* generic pointers. It works with the latter
! 1656: * because both ANSI C and C++ allow castless assignment from
! 1657: * any pointer type to void*, and deal with argument conversions
! 1658: * as though doing an assignment.
! 1659: */
! 1660: return (void *) realloc( (char *) ptr, size );
! 1661: }
! 1662:
! 1663: #ifdef YY_USE_PROTOS
! 1664: static void yy_flex_free( void *ptr )
! 1665: #else
! 1666: static void yy_flex_free( ptr )
! 1667: void *ptr;
! 1668: #endif
! 1669: {
! 1670: free( ptr );
! 1671: }
! 1672:
! 1673: #if YY_MAIN
! 1674: int main()
! 1675: {
! 1676: yylex();
! 1677: return 0;
! 1678: }
! 1679: #endif
! 1680: #line 107 "calclex.l"
! 1681:
! 1682:
! 1683: int
! 1684: yywrap ()
! 1685: {
! 1686: return 1;
! 1687: }
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