114 lines
3.0 KiB
Plaintext
114 lines
3.0 KiB
Plaintext
/* $NetBSD: lex.l,v 1.6 2009/10/29 14:37:16 christos Exp $ */
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%{
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/*-
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* Copyright (c)2003 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if !defined(lint)
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__RCSID("$NetBSD: lex.l,v 1.6 2009/10/29 14:37:16 christos Exp $");
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#endif /* not lint */
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#include <assert.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <machine/endian.h>
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#include "ldef.h"
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#include "yacc.h"
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int line_number = 1;
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%}
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%option noinput nounput
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%x COMMENT
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%%
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[ \t]+ { }
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#.*[\n]|"//".*[\n]|[\n] { line_number++; return (R_LN); }
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"/*" { BEGIN COMMENT; }
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<COMMENT>"*/" { BEGIN 0; }
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<COMMENT>[\n] { line_number++; }
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<COMMENT>. { }
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<COMMENT><<EOF>> {
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yyerror("unexpected file end (unterminate comment)\n");
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exit(1);
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}
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"="|"/"|"-" { return (int)yytext[0]; }
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([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+) {
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yylval.i_value = strtoul(yytext, NULL, 0);
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return L_IMM;
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}
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"TYPE" { return (R_TYPE); }
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"NAME" { return (R_NAME); }
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"SRC_ZONE" { return (R_SRC_ZONE); }
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"DST_INVALID" { return (R_DST_INVALID); }
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"DST_ILSEQ" { return (R_DST_ILSEQ); }
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"DST_UNIT_BITS" { return (R_DST_UNIT_BITS); }
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"BEGIN_MAP" { return (R_BEGIN_MAP); }
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"END_MAP" { return (R_END_MAP); }
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"INVALID" { return (R_INVALID); }
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"ILSEQ" { return (R_ILSEQ); }
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"OOB_MODE" { return (R_OOB_MODE); }
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"ROWCOL" { return (R_ROWCOL); }
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\"([^\"\n]*(\\\")?)*\"|\'([^\'\n]*(\\\')?)*\' {
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size_t len;
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len = strlen(yytext);
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yylval.s_value = malloc(len-1);
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strlcpy(yylval.s_value, yytext+1, len-1);
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return L_STRING;
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}
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[^ =/\-0-9\t\n][^ \t\n]* {
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yylval.s_value = strdup(yytext);
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return L_STRING;
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}
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%%
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#ifndef yywrap
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int
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yywrap(void)
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{
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return (1);
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}
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#endif
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