72 lines
1.8 KiB
Text
72 lines
1.8 KiB
Text
/* $NetBSD: scanner.l,v 1.1.1.1 2009/10/26 00:29:12 christos Exp $ */
|
|
|
|
/*
|
|
* This file is part of flex.
|
|
*
|
|
* 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.
|
|
*
|
|
* Neither the name of the University 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE.
|
|
*/
|
|
|
|
%{
|
|
/* A template scanner file to build "scanner.c". */
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
%}
|
|
|
|
%option 8bit outfile="scanner.c" prefix="test"
|
|
%option nounput nomain noyywrap
|
|
%option warn stack never-interactive
|
|
%x STATE_1
|
|
|
|
%%
|
|
|
|
<INITIAL>{
|
|
0 yy_push_state (STATE_1);
|
|
.|\n return 1;
|
|
}
|
|
<STATE_1>{
|
|
1 yy_pop_state();
|
|
.|\n return yy_top_state() + 1;
|
|
}
|
|
|
|
%%
|
|
|
|
int
|
|
main (int argc, char* const argv[])
|
|
{
|
|
FILE* fp;
|
|
int i;
|
|
|
|
if ((fp = fopen(argv[1],"r")) == NULL){
|
|
perror("Failed to open input file.");
|
|
return 1;
|
|
}
|
|
|
|
yyset_out ( stdout);
|
|
|
|
for (i=0; i < 4; ++i){
|
|
rewind(fp);
|
|
yyset_in ( fp);
|
|
while( yylex() )
|
|
;
|
|
yylex_destroy();
|
|
}
|
|
printf("TEST RETURNING OK.\n");
|
|
return 0;
|
|
}
|