1 files changed, 103 insertions, 0 deletions
diff --git a/usr.bin/mkesdb/lex.l b/usr.bin/mkesdb/lex.l
new file mode 100644
index 000000000000..2b17a337d6e7
--- /dev/null
+++ b/usr.bin/mkesdb/lex.l
@@ -0,0 +1,103 @@
+/* $NetBSD: lex.l,v 1.3 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 <sys/queue.h>
+#include <sys/types.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);
+	}
+
+([1-9][0-9]*)|(0[0-9]*)|(0[xX][0-9A-Fa-f]+)	{
+		yylval.i_value = strtoul(yytext, NULL, 0);
+		return (L_IMM);
+	}
+
+"NAME"		{ return (R_NAME); }
+"ENCODING"	{ return (R_ENCODING); }
+"VARIABLE"	{ return (R_VARIABLE); }
+"DEFCSID"	{ return (R_DEFCSID); }
+"INVALID"	{ return (R_INVALID); }
+
+\"([^\"\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