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
  52 ODIGIT  [0-7]
  53 DIGIT   [0-9]
  54 XDIGIT  [0-9a-fA-F]
  55 W       [\t\n\r ]
  56
  57 %%
  58 \'.\'                           { yylval.rune = (unsigned char)yytext[1];
  59                                   return(RUNE); }
  60
  61 '\\a'                           { yylval.rune = '\a';
  62                                   return(RUNE); }
  63 '\\b'                           { yylval.rune = '\b';
  64                                   return(RUNE); }
  65 '\\f'                           { yylval.rune = '\f';
  66                                   return(RUNE); }
  67 '\\n'                           { yylval.rune = '\n';
  68                                   return(RUNE); }
  69 '\\r'                           { yylval.rune = '\r';
  70                                   return(RUNE); }
  71 '\\t'                           { yylval.rune = '\t';
  72                                   return(RUNE); }
  73 '\\v'                           { yylval.rune = '\v';
  74                                   return(RUNE); }
  75
  76 0x{XDIGIT}+                     { yylval.rune = strtol(yytext, 0, 16);
  77                                   return(RUNE); }
  78 0{ODIGIT}+                      { yylval.rune = strtol(yytext, 0, 8);
  79                                   return(RUNE); }
  80 {DIGIT}+                        { yylval.rune = strtol(yytext, 0, 10);
  81                                   return(RUNE); }
  82
  83
  84 MAPLOWER                        { return(MAPLOWER); }
  85 MAPUPPER                        { return(MAPUPPER); }
  86 TODIGIT                         { return(DIGITMAP); }
  87 INVALID                         { return(INVALID); }
  88
  89 ALPHA                           { yylval.i = _CTYPE_A|_CTYPE_R|_CTYPE_G;
  90                                   return(LIST); }
  91 CONTROL                         { yylval.i = _CTYPE_C;
  92                                   return(LIST); }
  93 DIGIT                           { yylval.i = _CTYPE_D|_CTYPE_R|_CTYPE_G;
  94                                   return(LIST); }
  95 GRAPH                           { yylval.i = _CTYPE_G|_CTYPE_R;
  96                                   return(LIST); }
  97 LOWER                           { yylval.i = _CTYPE_L|_CTYPE_R|_CTYPE_G;
  98                                   return(LIST); }
  99 PUNCT                           { yylval.i = _CTYPE_P|_CTYPE_R|_CTYPE_G;
 100                                   return(LIST); }
 101 SPACE                           { yylval.i = _CTYPE_S;
 102                                   return(LIST); }
 103 UPPER                           { yylval.i = _CTYPE_U|_CTYPE_R|_CTYPE_G;
 104                                   return(LIST); }
 105 XDIGIT                          { yylval.i = _CTYPE_X|_CTYPE_R|_CTYPE_G;
 106                                   return(LIST); }
 107 BLANK                           { yylval.i = _CTYPE_B;
 108                                   return(LIST); }
 109 PRINT                           { yylval.i = _CTYPE_R;
 110                                   return(LIST); }
 111 IDEOGRAM                        { yylval.i = _CTYPE_I|_CTYPE_R|_CTYPE_G;
 112                                   return(LIST); }
 113 SPECIAL                         { yylval.i = _CTYPE_T|_CTYPE_R|_CTYPE_G;
 114                                   return(LIST); }
 115 PHONOGRAM                       { yylval.i = _CTYPE_Q|_CTYPE_R|_CTYPE_G;
 116                                   return(LIST); }
 117 SWIDTH0                         { yylval.i = _CTYPE_SW0; return(LIST); }
 118 SWIDTH1                         { yylval.i = _CTYPE_SW1; return(LIST); }
 119 SWIDTH2                         { yylval.i = _CTYPE_SW2; return(LIST); }
 120 SWIDTH3                         { yylval.i = _CTYPE_SW3; return(LIST); }
 121
 122 VARIABLE[\t ]                   { static char vbuf[1024];
 123                                   char *v = vbuf;
 124                                   while ((*v = input()) && *v != '\n')
 125                                         ++v;
 126                                   if (*v) {
 127                                         unput(*v);
 128                                         *v = 0;
 129                                   }
 130                                   yylval.str = vbuf;
 131                                   return(VARIABLE);
 132                                 }
 133
 134 ENCODING                        { return(ENCODING); }
 135
 136 \".*\"                          { char *e = yytext + 1;
 137                                   yylval.str = e;
 138                                   while (*e && *e != '"')
 139                                         ++e;
 140                                   *e = 0;
 141                                   return(STRING); }
 142
 143 \<|\(|\[                        { return(LBRK); }
 144
 145 \>|\)|\]                        { return(RBRK); }
 146
 147 \-                              { return(THRU); }
 148 \.\.\.                          { return(THRU); }
 149
 150 \:                              { return(':'); }
 151
 152 {W}+                            ;
 153
 154 ^\#.*\n                         ;
 155 \/\*                            { char lc = 0;
 156                                   do {
 157                                     while ((lc) != '*')
 158                                         if ((lc = input()) == 0)
 159                                             break;
 160                                   } while((lc = input()) != '/');
 161                                 }
 162
 163 \\$                             ;
 164 .                               { printf("Lex is skipping '%s'\n", yytext); }
 165 %%
 166
 167 #if     !defined(yywrap)
 168 int
 169 yywrap(void)
 170 {
 171         return(1);
 172 }
 173 #endif