#!/usr/bin/perl -w
#$Id$
######################################################################
#
# Copyright 2002-2007 by Wilson Snyder.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of either the GNU General Public License or the
# Perl Artistic License.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the Perl Artistic License
# along with this module; see the file COPYING.  If not, see
# www.cpan.org
#                                                                           
######################################################################

# DESCRIPTION: Edits flex output to get around Redhat 8.0 broken flex.

foreach my $line (<STDIN>) {
    # Fix flex 2.5.4 namespace omission
    $line =~ s/^class istream;/\#include <iostream>\nusing namespace std;\n/;
    # Fix flex 2.5.31 redefinition
    $line =~ s!(\#define\s+yyFlexLexer\s+yyFlexLexer)!//flexfix: $1!g;
    # Fix flex 2.5.1 yytext_ptr undef
    $line =~ s!(\#undef\s+yytext_ptr)!//flexfix: $1!g;
    print "$line";
}