mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 02:37:15 +00:00
111 lines
2.9 KiB
Plaintext
111 lines
2.9 KiB
Plaintext
/* $NetBSD: lex.l,v 1.4 2006/02/09 22:03:15 dogcow Exp $ */
|
|
|
|
%{
|
|
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* 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
|