Files
heimdal/lib/asn1/lex.l
Johan Danielsson dbdb412ba0 Ugh
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@864 ec53bebd-3082-4978-b11e-865c3cabbd6b
1996-10-20 16:47:54 +00:00

64 lines
1.2 KiB
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/* $Id$ */
%{
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include "symbol.h"
#include "parse.h"
char *strdup(char *);
void error_message(char *, ...);
static unsigned lineno = 1;
static char filename[256];
%}
%%
INTEGER { return INTEGER; }
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; }
,|\{|\}|\(|\)|\[|\]|\| { return *yytext; }
::= { return EEQUAL; }
--[^\n]*\n { ; }
-?[0-9]+ { yylval.constant = atoi(yytext); return CONSTANT; }
[A-Za-z][-A-Za-z0-9_]* { yylval.name = strdup (yytext); return IDENTIFIER; }
[ \t] ;
\n { lineno++; }
. { error_message("Ignoring char(%c)\n", *yytext); }
%%
#ifndef yywrap /* XXX */
int
yywrap ()
{
return 1;
}
#endif
void
error_message (char *format, ...)
{
va_list args;
va_start (args, format);
fprintf (stderr, ":%d: ", lineno);
vfprintf (stderr, format, args);
va_end (args);
}