minix/external/bsd/flex/dist/tests/test-c++-yywrap/scanner.l

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2012-06-06 16:10:32 +02:00
/* $NetBSD: scanner.l,v 1.1.1.1 2009/10/26 00:29:10 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.
*/
%{
#include "config.h"
#include <fstream>
%}
%option 8bit outfile="scanner.cpp" prefix="test"
%option nounput nomain
%option warn c++
%%
. { }
%%
#define MAX_FILES 10
char *files[MAX_FILES] = { 0 };
int filecounter = 0;
int testFlexLexer::yywrap()
{
if (filecounter-- > 0) {
std::cout << "NOW WRAPPING TO READ " << files[filecounter] << std::endl;
std::ifstream *ifs = new std::ifstream(files[filecounter]);
switch_streams(ifs);
return 0;
}
return 1;
}
int
main (int argc, char *argv[])
{
for (int i = 1; i < argc && i <= MAX_FILES; i++) {
files[i-1] = argv[i];
filecounter++;
}
testFlexLexer* f = new testFlexLexer;
f->yywrap();
f->yylex();
std::cout << "TEST RETURNING OK." << std::endl;
return 0;
}