usr.bin/mklocale/lex.l

   1 %{
   2 /*-
   3  * Copyright (c) 1993
   4  *      The Regents of the University of California.  All rights reserved.
   5  *
   6  * This code is derived from software contributed to Berkeley by
   7  * Paul Borman at Krystal Technologies.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef lint
  35 #if 0
  36 static char sccsid[] = "@(#)lex.l       8.1 (Berkeley) 6/6/93";
  37 #endif
  38 #endif /* not lint */
  39
  40 #include <sys/cdefs.h>
  41 __FBSDID("$FreeBSD$");
  42
  43 #include <ctype.h>
  44 #include <stdio.h>
  45 #include <stdlib.h>
  46
  47 #include "ldef.h"
  48 #include "y.tab.h"
  49 #include "extern.h"
  50
  51 #define YY_DECL int yylex(void)
  52 %}
  53
  54 ODIGIT  [0-7]
  55 DIGIT   [0-9]
  56 XDIGIT  [0-9a-fA-F]
  57 W       [\t\n\r ]
  58
  59 %%
  60 \'.\'                           { yylval.rune = (unsigned char)yytext[1];
  61                                   return(RUNE); }
  62
  63 '\\a'                           { yylval.rune = '\a';
  64                                   return(RUNE); }
  65 '\\b'                           { yylval.rune = '\b';
  66                                   return(RUNE); }
  67 '\\f'                           { yylval.rune = '\f';
  68                                   return(RUNE); }
  69 '\\n'                           { yylval.rune = '\n';
  70                                   return(RUNE); }
  71 '\\r'                           { yylval.rune = '\r';
  72                                   return(RUNE); }
  73 '\\t'                           { yylval.rune = '\t';
  74                                   return(RUNE); }
  75 '\\v'                           { yylval.rune = '\v';
  76                                   return(RUNE); }
  77
  78 0x{XDIGIT}+                     { yylval.rune = strtol(yytext, 0, 16);
  79                                   return(RUNE); }
  80 0{ODIGIT}+                      { yylval.rune = strtol(yytext, 0, 8);
  81                                   return(RUNE); }
  82 {DIGIT}+                        { yylval.rune = strtol(yytext, 0, 10);
  83                                   return(RUNE); }
  84
  85
  86 MAPLOWER                        { return(MAPLOWER); }
  87 MAPUPPER                        { return(MAPUPPER); }
  88 TODIGIT                         { return(DIGITMAP); }
  89 INVALID                         { return(INVALID); }
  90
  91 ALPHA                           { yylval.i = _CTYPE_A|_CTYPE_R|_CTYPE_G;
  92                                   return(LIST); }
  93 CONTROL                         { yylval.i = _CTYPE_C;
  94                                   return(LIST); }
  95 DIGIT                           { yylval.i = _CTYPE_D|_CTYPE_R|_CTYPE_G;
  96                                   return(LIST); }
  97 GRAPH                           { yylval.i = _CTYPE_G|_CTYPE_R;
  98                                   return(LIST); }
  99 LOWER                           { yylval.i = _CTYPE_L|_CTYPE_R|_CTYPE_G;
 100                                   return(LIST); }
 101 PUNCT                           { yylval.i = _CTYPE_P|_CTYPE_R|_CTYPE_G;
 102                                   return(LIST); }
 103 SPACE                           { yylval.i = _CTYPE_S;
 104                                   return(LIST); }
 105 UPPER                           { yylval.i = _CTYPE_U|_CTYPE_R|_CTYPE_G;
 106                                   return(LIST); }
 107 XDIGIT                          { yylval.i = _CTYPE_X|_CTYPE_R|_CTYPE_G;
 108                                   return(LIST); }
 109 BLANK                           { yylval.i = _CTYPE_B;
 110                                   return(LIST); }
 111 PRINT                           { yylval.i = _CTYPE_R;
 112                                   return(LIST); }
 113 IDEOGRAM                        { yylval.i = _CTYPE_I|_CTYPE_R|_CTYPE_G;
 114                                   return(LIST); }
 115 SPECIAL                         { yylval.i = _CTYPE_T|_CTYPE_R|_CTYPE_G;
 116                                   return(LIST); }
 117 PHONOGRAM                       { yylval.i = _CTYPE_Q|_CTYPE_R|_CTYPE_G;
 118                                   return(LIST); }
 119 SWIDTH0                         { yylval.i = _CTYPE_SW0; return(LIST); }
 120 SWIDTH1                         { yylval.i = _CTYPE_SW1; return(LIST); }
 121 SWIDTH2                         { yylval.i = _CTYPE_SW2; return(LIST); }
 122 SWIDTH3                         { yylval.i = _CTYPE_SW3; return(LIST); }
 123
 124 VARIABLE[\t ]                   { static char vbuf[1024];
 125                                   char *v = vbuf;
 126                                   while ((*v = input()) && *v != '\n')
 127                                         ++v;
 128                                   if (*v) {
 129                                         unput(*v);
 130                                         *v = 0;
 131                                   }
 132                                   yylval.str = vbuf;
 133                                   return(VARIABLE);
 134                                 }
 135
 136 ENCODING                        { return(ENCODING); }
 137
 138 \".*\"                          { char *e = yytext + 1;
 139                                   yylval.str = e;
 140                                   while (*e && *e != '"')
 141                                         ++e;
 142                                   *e = 0;
 143                                   return(STRING); }
 144
 145 \<|\(|\[                        { return(LBRK); }
 146
 147 \>|\)|\]                        { return(RBRK); }
 148
 149 \-                              { return(THRU); }
 150 \.\.\.                          { return(THRU); }
 151
 152 \:                              { return(':'); }
 153
 154 {W}+                            ;
 155
 156 ^\#.*\n                         ;
 157 \/\*                            { char lc = 0;
 158                                   do {
 159                                     while ((lc) != '*')
 160                                         if ((lc = input()) == 0)
 161                                             break;
 162                                   } while((lc = input()) != '/');
 163                                 }
 164
 165 \\$                             ;
 166 .                               { printf("Lex is skipping '%s'\n", yytext); }
 167 %%
 168
 169 #if     !defined(yywrap)
 170 int
 171 yywrap(void)
 172 {
 173         return(1);
 174 }
 175 #endif