summaryrefslogtreecommitdiff
path: root/usr.bin/asn1_compile/lex.l
diff options
context:
space:
mode:
authorHans Insulander <hin@cvs.openbsd.org>2003-05-11 21:36:34 +0000
committerHans Insulander <hin@cvs.openbsd.org>2003-05-11 21:36:34 +0000
commitc78150a12d3479dccfded58f1a4fcafdbff68146 (patch)
treeb4b29b00ca76dd03e9fef5283b7a8979d66284d2 /usr.bin/asn1_compile/lex.l
parent516a12bfc498d29181db609ad1a42af093fef04f (diff)
asn1_compile, made independant from libroken and the rest of the
kerberosV stuff. Suggested by deraadt@
Diffstat (limited to 'usr.bin/asn1_compile/lex.l')
-rw-r--r--usr.bin/asn1_compile/lex.l122
1 files changed, 122 insertions, 0 deletions
diff --git a/usr.bin/asn1_compile/lex.l b/usr.bin/asn1_compile/lex.l
new file mode 100644
index 00000000000..a21243ecf4a
--- /dev/null
+++ b/usr.bin/asn1_compile/lex.l
@@ -0,0 +1,122 @@
+%{
+/*
+ * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
+ */
+
+/* $KTH: lex.l,v 1.19 2001/09/25 23:28:03 assar Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#undef ECHO
+#include "symbol.h"
+#include "parse.h"
+#include "lex.h"
+#include "gen_locl.h"
+
+static unsigned lineno = 1;
+
+#define YY_NO_UNPUT
+
+#undef ECHO
+
+%}
+
+
+%%
+INTEGER { return INTEGER; }
+IMPORTS { return IMPORTS; }
+FROM { return FROM; }
+SEQUENCE { return SEQUENCE; }
+OF { return OF; }
+OCTET { return OCTET; }
+STRING { return STRING; }
+GeneralizedTime { return GeneralizedTime; }
+GeneralString { return GeneralString; }
+BIT { return BIT; }
+APPLICATION { return APPLICATION; }
+OPTIONAL { return OPTIONAL; }
+BEGIN { return TBEGIN; }
+END { return END; }
+DEFINITIONS { return DEFINITIONS; }
+ENUMERATED { return ENUMERATED; }
+EXTERNAL { return EXTERNAL; }
+OBJECT { return OBJECT; }
+IDENTIFIER { return IDENTIFIER; }
+[,;{}()|] { return *yytext; }
+"[" { return *yytext; }
+"]" { return *yytext; }
+::= { return EEQUAL; }
+--[^\n]*\n { ++lineno; }
+-?(0x)?[0-9]+ { char *e, *y = yytext;
+ yylval.constant = strtol((const char *)yytext,
+ &e, 0);
+ if(e == y)
+ error_message("malformed constant (%s)", yytext);
+ else
+ return CONSTANT;
+ }
+[A-Za-z][-A-Za-z0-9_]* {
+ yylval.name = strdup ((const char *)yytext);
+ return IDENT;
+ }
+[ \t] ;
+\n { ++lineno; }
+\.\. { return DOTDOT; }
+. { error_message("Ignoring char(%c)\n", *yytext); }
+%%
+
+#ifndef yywrap /* XXX */
+int
+yywrap ()
+{
+ return 1;
+}
+#endif
+
+void
+error_message (const char *format, ...)
+{
+ va_list args;
+
+ va_start (args, format);
+ fprintf (stderr, "%s:%d: ", filename(), lineno);
+ vfprintf (stderr, format, args);
+ va_end (args);
+}