lex.l revision 16073
11590Srgrimes%{ 21590Srgrimes/*- 31590Srgrimes * Copyright (c) 1993 41590Srgrimes * The Regents of the University of California. All rights reserved. 51590Srgrimes * 61590Srgrimes * This code is derived from software contributed to Berkeley by 71590Srgrimes * Paul Borman at Krystal Technologies. 81590Srgrimes * 91590Srgrimes * Redistribution and use in source and binary forms, with or without 101590Srgrimes * modification, are permitted provided that the following conditions 111590Srgrimes * are met: 121590Srgrimes * 1. Redistributions of source code must retain the above copyright 131590Srgrimes * notice, this list of conditions and the following disclaimer. 141590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 151590Srgrimes * notice, this list of conditions and the following disclaimer in the 161590Srgrimes * documentation and/or other materials provided with the distribution. 171590Srgrimes * 3. All advertising materials mentioning features or use of this software 181590Srgrimes * must display the following acknowledgement: 191590Srgrimes * This product includes software developed by the University of 201590Srgrimes * California, Berkeley and its contributors. 211590Srgrimes * 4. Neither the name of the University nor the names of its contributors 221590Srgrimes * may be used to endorse or promote products derived from this software 231590Srgrimes * without specific prior written permission. 241590Srgrimes * 251590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 261590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 271590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 281590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 291590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 301590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 311590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 321590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 331590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 341590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 351590Srgrimes * SUCH DAMAGE. 361590Srgrimes */ 371590Srgrimes 381590Srgrimes#ifndef lint 391590Srgrimesstatic char sccsid[] = "@(#)lex.l 8.1 (Berkeley) 6/6/93"; 401590Srgrimes#endif /* not lint */ 411590Srgrimes 421590Srgrimes#include <ctype.h> 431590Srgrimes#include <stdio.h> 441590Srgrimes#include <stdlib.h> 451590Srgrimes 461590Srgrimes#include "ldef.h" 4716073Sphk#include "y.tab.h" 481590Srgrimes%} 491590Srgrimes 501590SrgrimesODIGIT [0-7] 511590SrgrimesDIGIT [0-9] 521590SrgrimesXDIGIT [0-9a-fA-F] 531590SrgrimesW [\t\n\r ] 541590Srgrimes 551590Srgrimes%% 561590Srgrimes\'.\' { yylval.rune = yytext[1]; 571590Srgrimes return(RUNE); } 581590Srgrimes 591590Srgrimes'\\a' { yylval.rune = '\a'; 601590Srgrimes return(RUNE); } 611590Srgrimes'\\b' { yylval.rune = '\b'; 621590Srgrimes return(RUNE); } 631590Srgrimes'\\f' { yylval.rune = '\f'; 641590Srgrimes return(RUNE); } 651590Srgrimes'\\n' { yylval.rune = '\n'; 661590Srgrimes return(RUNE); } 671590Srgrimes'\\r' { yylval.rune = '\r'; 681590Srgrimes return(RUNE); } 691590Srgrimes'\\t' { yylval.rune = '\t'; 701590Srgrimes return(RUNE); } 711590Srgrimes'\\v' { yylval.rune = '\v'; 721590Srgrimes return(RUNE); } 731590Srgrimes 741590Srgrimes0x{XDIGIT}+ { yylval.rune = strtol(yytext, 0, 16); 751590Srgrimes return(RUNE); } 761590Srgrimes0{ODIGIT}+ { yylval.rune = strtol(yytext, 0, 8); 771590Srgrimes return(RUNE); } 781590Srgrimes{DIGIT}+ { yylval.rune = strtol(yytext, 0, 10); 791590Srgrimes return(RUNE); } 801590Srgrimes 811590Srgrimes 821590SrgrimesMAPLOWER { return(MAPLOWER); } 831590SrgrimesMAPUPPER { return(MAPUPPER); } 841590SrgrimesTODIGIT { return(DIGITMAP); } 851590SrgrimesINVALID { return(INVALID); } 861590Srgrimes 871590SrgrimesALPHA { yylval.i = _A|_R|_G; return(LIST); } 881590SrgrimesCONTROL { yylval.i = _C; return(LIST); } 891590SrgrimesDIGIT { yylval.i = _D|_R|_G; return(LIST); } 901590SrgrimesGRAPH { yylval.i = _G|_R; return(LIST); } 911590SrgrimesLOWER { yylval.i = _L|_R|_G; return(LIST); } 921590SrgrimesPUNCT { yylval.i = _P|_R|_G; return(LIST); } 931590SrgrimesSPACE { yylval.i = _S; return(LIST); } 941590SrgrimesUPPER { yylval.i = _U|_R|_G; return(LIST); } 951590SrgrimesXDIGIT { yylval.i = _X|_R|_G; return(LIST); } 961590SrgrimesBLANK { yylval.i = _B; return(LIST); } 971590SrgrimesPRINT { yylval.i = _R; return(LIST); } 981590SrgrimesIDEOGRAM { yylval.i = _I|_R|_G; return(LIST); } 991590SrgrimesSPECIAL { yylval.i = _T|_R|_G; return(LIST); } 1001590SrgrimesPHONOGRAM { yylval.i = _Q|_R|_G; return(LIST); } 1011590Srgrimes 1021590SrgrimesVARIABLE[\t ] { static char vbuf[1024]; 1031590Srgrimes char *v = vbuf; 1041590Srgrimes while ((*v = input()) && *v != '\n') 1051590Srgrimes ++v; 1061590Srgrimes if (*v) { 1071590Srgrimes unput(*v); 1081590Srgrimes *v = 0; 1091590Srgrimes } 1101590Srgrimes yylval.str = vbuf; 1111590Srgrimes return(VARIABLE); 1121590Srgrimes } 1131590Srgrimes 1141590SrgrimesENCODING { return(ENCODING); } 1151590Srgrimes 1161590Srgrimes\".*\" { char *e = yytext + 1; 1171590Srgrimes yylval.str = e; 1181590Srgrimes while (*e && *e != '"') 1191590Srgrimes ++e; 1201590Srgrimes *e = 0; 1211590Srgrimes return(STRING); } 1221590Srgrimes 1231590Srgrimes\<|\(|\[ { return(LBRK); } 1241590Srgrimes 1251590Srgrimes\>|\)|\] { return(RBRK); } 1261590Srgrimes 1271590Srgrimes\- { return(THRU); } 1281590Srgrimes\.\.\. { return(THRU); } 1291590Srgrimes 1301590Srgrimes\: { return(':'); } 1311590Srgrimes 1321590Srgrimes{W}+ ; 1331590Srgrimes 1341590Srgrimes^\#.*\n ; 1351590Srgrimes\/\* { char lc = 0; 1361590Srgrimes do { 1371590Srgrimes while ((lc) != '*') 1381590Srgrimes if ((lc = input()) == 0) 1391590Srgrimes break; 1401590Srgrimes } while((lc = input()) != '/'); 1411590Srgrimes } 1421590Srgrimes 1431590Srgrimes\\$ ; 1441590Srgrimes. { printf("Lex is skipping '%s'\n", yytext); } 1451590Srgrimes%% 1461590Srgrimes 1471590Srgrimes#if !defined(yywrap) 1481590Srgrimesyywrap() 1491590Srgrimes{ 1501590Srgrimes return(1); 1511590Srgrimes} 1521590Srgrimes#endif 153