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/* $FreeBSD$ */
/* $NetBSD: lex.l,v 1.4 2006/02/09 22:03:15 dogcow Exp $ */
%{
/*-
* Copyright (c)2003 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <sys/endian.h>
#include <assert.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ldef.h"
#include "yacc.h"
#define YY_DECL int yylex(void)
int linenumber = 1;
%}
%option noinput
%option nounput
%x COMMENT
%%
[ \t]+ { }
#.*[\n]|"//".*[\n]|[\n] { linenumber++; return (R_LN); }
"/*" { BEGIN COMMENT; }
<COMMENT>"*/" { BEGIN 0; }
<COMMENT>[\n] { linenumber++; }
<COMMENT>. { }
<COMMENT><<EOF>> {
yyerror("unexpected file end (unterminated comment)\n");
exit(1);
}
"="|"/"|"-" { return ((int)yytext[0]); }
([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) {
yylval.i_value = strtoul(yytext, NULL, 0);
return (L_IMM);
}
"TYPE" { return (R_TYPE); }
"NAME" { return (R_NAME); }
"SRC_ZONE" { return (R_SRC_ZONE); }
"DST_INVALID" { return (R_DST_INVALID); }
"DST_ILSEQ" { return (R_DST_ILSEQ); }
"DST_UNIT_BITS" { return (R_DST_UNIT_BITS); }
"BEGIN_MAP" { return (R_BEGIN_MAP); }
"END_MAP" { return (R_END_MAP); }
"INVALID" { return (R_INVALID); }
"ILSEQ" { return (R_ILSEQ); }
"OOB_MODE" { return (R_OOB_MODE); }
"ROWCOL" { return (R_ROWCOL); }
\"([^\"\n]*(\\\")?)*\"|\'([^\'\n]*(\\\')?)*\' {
size_t len;
len = strlen(yytext);
yylval.s_value = malloc(len - 1);
strlcpy(yylval.s_value, yytext + 1, len - 1);
return (L_STRING);
}
[^ =/\-0-9\t\n][^ \t\n]* {
yylval.s_value = strdup(yytext);
return (L_STRING);
}
%%
#ifndef yywrap
int
yywrap(void)
{
return (1);
}
#endif
|
