85 lines
2.2 KiB
Text
85 lines
2.2 KiB
Text
|
/* $NetBSD: scanner.l,v 1.1.1.1 2009/10/26 00:29:55 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>
|
||
|
#include "config.h"
|
||
|
%}
|
||
|
|
||
|
%option 8bit
|
||
|
%option nounput nomain noyywrap
|
||
|
%option warn yylineno
|
||
|
|
||
|
|
||
|
|
||
|
%%
|
||
|
|
||
|
foo|bar ;
|
||
|
[[:digit:]]+ ;
|
||
|
[[:blank:]]+ ;
|
||
|
.|\n ;
|
||
|
%%
|
||
|
|
||
|
int main ( int argc, char** argv )
|
||
|
{
|
||
|
FILE* fp = NULL;
|
||
|
void *yyscanner=0;
|
||
|
M4_YY_DECL_GUTS_VAR();
|
||
|
|
||
|
#ifdef TEST_IS_REENTRANT
|
||
|
yylex_init(&yyscanner);
|
||
|
#endif
|
||
|
|
||
|
#ifdef TEST_HAS_TABLES_EXTERNAL
|
||
|
if((fp = fopen(argv[1],"r"))== NULL)
|
||
|
yy_fatal_error("could not open tables file for reading" M4_YY_CALL_LAST_ARG);
|
||
|
|
||
|
if(yytables_fload(fp M4_YY_CALL_LAST_ARG) < 0)
|
||
|
yy_fatal_error("yytables_fload returned < 0" M4_YY_CALL_LAST_ARG);
|
||
|
if(M4_YY_TABLES_VERIFY)
|
||
|
exit(0);
|
||
|
#endif
|
||
|
|
||
|
if(argc > 2){
|
||
|
if((fp = fopen(argv[2],"r"))== NULL)
|
||
|
yy_fatal_error("could not open input file for reading" M4_YY_CALL_LAST_ARG);
|
||
|
yyin = fp;
|
||
|
}
|
||
|
while(yylex(M4_YY_CALL_ONLY_ARG) != 0)
|
||
|
;
|
||
|
|
||
|
#ifdef TEST_HAS_TABLES_EXTERNAL
|
||
|
yytables_destroy(M4_YY_CALL_ONLY_ARG);
|
||
|
#endif
|
||
|
yylex_destroy(M4_YY_CALL_ONLY_ARG);
|
||
|
|
||
|
if(argc < 0) /* silence the compiler */
|
||
|
yyscanner = (void*)fp;
|
||
|
|
||
|
return 0;
|
||
|
}
|