1 /* $OpenBSD: lex.l,v 1.4 2016/05/29 01:02:21 millert Exp $ */ 2 /* $NetBSD: lex.l,v 1.13 2003/10/27 00:12:43 lukem Exp $ */ 3 4 %{ 5 /*- 6 * Copyright (c) 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Paul Borman at Krystal Technologies. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #include <stdio.h> 38 #include <stdlib.h> 39 40 #include "locale/runetype.h" 41 #include "ldef.h" 42 #include "yacc.h" 43 44 int yylex(void); 45 %} 46 47 ODIGIT [0-7] 48 DIGIT [0-9] 49 XDIGIT [0-9a-fA-F] 50 W [\t\n\r ] 51 52 %% 53 \'.\' { yylval.rune = (unsigned char)yytext[1]; 54 return(RUNE); } 55 56 '\\a' { yylval.rune = '\a'; 57 return(RUNE); } 58 '\\b' { yylval.rune = '\b'; 59 return(RUNE); } 60 '\\f' { yylval.rune = '\f'; 61 return(RUNE); } 62 '\\n' { yylval.rune = '\n'; 63 return(RUNE); } 64 '\\r' { yylval.rune = '\r'; 65 return(RUNE); } 66 '\\t' { yylval.rune = '\t'; 67 return(RUNE); } 68 '\\v' { yylval.rune = '\v'; 69 return(RUNE); } 70 71 0x{XDIGIT}+ { yylval.rune = strtoul(yytext, 0, 16); 72 return(RUNE); } 73 0{ODIGIT}+ { yylval.rune = strtoul(yytext, 0, 8); 74 return(RUNE); } 75 {DIGIT}+ { yylval.rune = strtoul(yytext, 0, 10); 76 return(RUNE); } 77 78 79 MAPLOWER { return(MAPLOWER); } 80 MAPUPPER { return(MAPUPPER); } 81 TODIGIT { return(DIGITMAP); } 82 INVALID { return(INVALID); } 83 84 ALPHA { yylval.i = _RUNETYPE_A|_RUNETYPE_R|_RUNETYPE_G; 85 return(LIST); } 86 CONTROL { yylval.i = _RUNETYPE_C; 87 return(LIST); } 88 DIGIT { yylval.i = _RUNETYPE_D|_RUNETYPE_R|_RUNETYPE_G; 89 return(LIST); } 90 GRAPH { yylval.i = _RUNETYPE_G|_RUNETYPE_R; 91 return(LIST); } 92 LOWER { yylval.i = _RUNETYPE_L|_RUNETYPE_R|_RUNETYPE_G; 93 return(LIST); } 94 PUNCT { yylval.i = _RUNETYPE_P|_RUNETYPE_R|_RUNETYPE_G; 95 return(LIST); } 96 SPACE { yylval.i = _RUNETYPE_S; 97 return(LIST); } 98 UPPER { yylval.i = _RUNETYPE_U|_RUNETYPE_R|_RUNETYPE_G; 99 return(LIST); } 100 XDIGIT { yylval.i = _RUNETYPE_X|_RUNETYPE_R|_RUNETYPE_G; 101 return(LIST); } 102 BLANK { yylval.i = _RUNETYPE_B; 103 return(LIST); } 104 PRINT { yylval.i = _RUNETYPE_R; 105 return(LIST); } 106 IDEOGRAM { yylval.i = _RUNETYPE_I|_RUNETYPE_R|_RUNETYPE_G; 107 return(LIST); } 108 SPECIAL { yylval.i = _RUNETYPE_T|_RUNETYPE_R|_RUNETYPE_G; 109 return(LIST); } 110 PHONOGRAM { yylval.i = _RUNETYPE_Q|_RUNETYPE_R|_RUNETYPE_G; 111 return(LIST); } 112 SWIDTH0 { yylval.i = _RUNETYPE_SW0; return(LIST); } 113 SWIDTH1 { yylval.i = _RUNETYPE_SW1; return(LIST); } 114 SWIDTH2 { yylval.i = _RUNETYPE_SW2; return(LIST); } 115 SWIDTH3 { yylval.i = _RUNETYPE_SW3; return(LIST); } 116 117 VARIABLE[\t ]+ { static char vbuf[1024]; 118 char *v = vbuf; 119 while ((*v = input()) && *v != '\n') 120 ++v; 121 if (*v) { 122 unput(*v); 123 *v = 0; 124 } 125 yylval.str = vbuf; 126 return(VARIABLE); 127 } 128 129 CHARSET { return(CHARSET); } 130 131 ENCODING { return(ENCODING); } 132 133 \".*\" { char *e = yytext + 1; 134 yylval.str = e; 135 while (*e && *e != '"') 136 ++e; 137 *e = 0; 138 return(STRING); } 139 140 \<|\(|\[ { return(LBRK); } 141 142 \>|\)|\] { return(RBRK); } 143 144 \- { return(THRU); } 145 \.\.\. { return(THRU); } 146 147 \: { return(':'); } 148 149 {W}+ ; 150 151 ^\#.*\n ; 152 \/\* { char lc = 0; 153 do { 154 while ((lc) != '*') 155 if ((lc = input()) == 0) 156 break; 157 } while((lc = input()) != '/'); 158 } 159 160 \\$ ; 161 . { printf("Lex is skipping '%s'\n", yytext); } 162 %% 163 164 #if !defined(yywrap) 165 int 166 yywrap() 167 { 168 return(1); 169 } 170 #endif 171