#!/usr/bin/perl -w
use v5.14;
no if $] > 5.017011, warnings => 'experimental::smartmatch';

use File::Copy qw/copy/;
use File::Basename qw/fileparse/;

my ($format, $name) = @ARGV;
my $basename = fileparse $name, qr/\..*/;

my $ret = fork // die $!;
if ($ret) {
	$SIG{ALRM} = sub {kill KILL => $ret};
	alarm 5;
	wait;
	exit $? >> 8
} else {
	given ($format){
		exec 'gcc', qw/-DONLINE_JUDGE -std=gnu11 -Wall -Wextra -O2 -o/, $basename, $name when 'C';
		exec 'g++', qw/-DONLINE_JUDGE -std=gnu++11 -fabi-version=6 -Wall -Wextra -O2 -o/, $basename, $name when 'CPP';
		exec 'gmcs', '-d:ONLINE_JUDGE', $name when  'MONO';
		exec 'javac', $name when 'JAVA';
		exec 'fpc', qw/-dONLINE_JUDGE -O2 -n/, $name when 'PASCAL';
		copy $name, $basename when ['PERL', 'PYTHON']
	}
}

__END__

=encoding utf-8

=head1 NAME

gruntmaster-compile - Gruntmaster 6000 compiler frontend

=head1 SYNOPSIS

  gruntmaster-compile CPP file.cpp
  gruntmaster-compile JAVA file.java

=head1 DESCRIPTION

gruntmaster-compile is a very simple frontend to various comilers. It takes two arguments: the file format and the file name, and produces a compiled executable. The executable's name is the basename of the input file.

Compile commands for each format:

=over

=item C

  gcc -DONLINE_JUDGE -std=gnu11 -Wall -Wextra -O2 -o $output $input

=item CPP

  g++ -DONLINE_JUDGE -std=gnu11 -fabi-version=6 -Wall -Wextra -O2 -o $output $input

=item MONO

  gmcs -d:ONLINE_JUDGE $input

=item JAVA

  javac $input

=item PASCAL

  fpc -dONLINE_JUDGE -O2 -n $input

=item PERL

  cp $input $output

=item PYTHON

  cp $input $output

=back

=head1 AUTHOR

Marius Gavrilescu E<lt>marius@ieval.roE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2014 by Marius Gavrilescu

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.


=cut