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      1 /*	$NetBSD: map_scan.l,v 1.7 2011/05/24 12:07:14 joerg Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Juergen Hannken-Illjes.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 %{
     33 
     34 #include <dev/wscons/wsksymdef.h>
     35 #include <dev/wscons/wsksymvar.h>
     36 
     37 #include <err.h>
     38 #include <stdlib.h>
     39 
     40 #include "wsconsctl.h"
     41 #include "map_parse.h"
     42 
     43 
     44 void
     45 map_scan_setinput(char *str)
     46 {
     47 
     48 	yy_scan_string(str);
     49 }
     50 
     51 %}
     52 
     53 %option noyywrap
     54 %option noinput
     55 
     56 %%
     57 
     58 [ \t\n]+ {
     59 		/* ignore spaces and tabs */
     60 	}
     61 
     62 "=" {
     63 		return('=');
     64 	}
     65 
     66 keycode {
     67 		return(T_KEYCODE);
     68 	}
     69 
     70 keysym {
     71 		return(T_KEYSYM);
     72 	}
     73 
     74 Cmd {
     75 		return(T_CMD);
     76 	}
     77 
     78 [a-zA-Z][a-zA-Z0-9_]* {
     79 		int i;
     80 
     81 		i = name2ksym(yytext);
     82 		if (i == -1)
     83 			errx(EXIT_FAILURE, "%s: not a keysym", yytext);
     84 		yylval.kval = i;
     85 		if (KS_GROUP(i) == KS_GROUP_Command ||
     86 		    i == KS_Cmd || i == KS_Cmd1 || i == KS_Cmd2)
     87 			return(T_KEYSYM_CMD_VAR);
     88 		else
     89 			return(T_KEYSYM_VAR);
     90 	}
     91 
     92 [0-9]+ {
     93 		yylval.ival = atoi(yytext);
     94 		return(T_NUMBER);
     95 	}
     96 
     97 . {
     98 		if (yytext[0] >= ' ' && yytext[0] <= '~')
     99 			errx(EXIT_FAILURE, "%c: illegal character in input",
    100 			    yytext[0]);
    101 		else
    102 			errx(EXIT_FAILURE, "%03o: illegal character in input",
    103 			    yytext[0] & 255);
    104 
    105 		/* To quiet the compiler */
    106 		if (0)
    107 			unput(0);
    108 	}
    109