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