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pbot/modules/compiler_vm/languages/server/_default.pm
2017-11-27 02:08:25 -08:00

135 lines
3.3 KiB
Perl
Executable File

#!/usr/bin/perl
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
use warnings;
use strict;
use feature "switch";
no if $] >= 5.018, warnings => "experimental::smartmatch";
package _default;
sub new {
my ($class, %conf) = @_;
my $self = bless {}, $class;
$self->{debug} = $conf{debug} // 0;
$self->{sourcefile} = $conf{sourcefile};
$self->{execfile} = $conf{execfile};
$self->{code} = $conf{code};
$self->{cmdline} = $conf{cmdline};
$self->{input} = $conf{input};
$self->{date} = $conf{date};
$self->{arguments} = $conf{arguments};
$self->{factoid} = $conf{factoid};
$self->{'persist-key'} = $conf{'persist-key'};
$self->initialize(%conf);
return $self;
}
sub initialize {
my ($self, %conf) = @_;
}
sub preprocess {
my $self = shift;
if ($self->{code} =~ m/print_last_statement\(.*\);$/m) {
# remove print_last_statement wrapper in order to get warnings/errors from last statement line
my $code = $self->{code};
$code =~ s/print_last_statement\((.*)\);$/$1;/mg;
open(my $fh, '>', $self->{sourcefile}) or die $!;
print $fh $code . "\n";
close $fh;
print "Executing [$self->{cmdline}] without print_last_statement\n";
my ($retval, $result) = $self->execute(60, "date -s \@$self->{date} > /dev/null; ulimit -t 5; $self->{cmdline}");
$self->{output} = $result;
$self->{error} = $retval;
# now compile with print_last_statement intact, ignoring compile results
if (not $self->{error}) {
open(my $fh, '>', $self->{sourcefile}) or die $!;
print $fh $self->{code} . "\n";
close $fh;
print "Executing [$self->{cmdline}] with print_last_statement\n";
my ($retval, $result) = $self->execute(60, "date -s \@$self->{date} > /dev/null; ulimit -t 5; $self->{cmdline}");
}
} else {
open(my $fh, '>', $self->{sourcefile}) or die $!;
print $fh $self->{code} . "\n";
close $fh;
print "Executing [$self->{cmdline}]\n";
my ($retval, $result) = $self->execute(60, "date -s \@$self->{date} > /dev/null; ulimit -t 5; $self->{cmdline}");
$self->{output} = $result;
$self->{error} = $retval;
}
}
sub postprocess {
my $self = shift;
my $input = $self->{input};
print "writing input [$input]\n";
$input =~ s/(?<!\\)\\n/\n/mg;
$input =~ s/(?<!\\)\\r/\r/mg;
$input =~ s/(?<!\\)\\t/\t/mg;
$input =~ s/(?<!\\)\\b/\b/mg;
$input =~ s/\\\\/\\/mg;
open(my $fh, '>', '.input');
print $fh "$input\n";
close $fh;
}
sub execute {
my $self = shift;
my $timeout = shift;
my ($cmdline) = @_;
my ($ret, $result);
($ret, $result) = eval {
print "eval\n";
my $result = '';
my $pid = open(my $fh, '-|', "$cmdline 2>&1");
local $SIG{ALRM} = sub { print "Time out\n"; kill 'TERM', $pid; die "$result [Timed-out]\n"; };
local $SIG{CHLD} = 'IGNORE';
alarm($timeout);
while(my $line = <$fh>) {
$result .= $line;
}
close $fh;
my $ret = $? >> 8;
alarm 0;
return ($ret, $result);
};
print "done eval\n";
alarm 0;
if($@ =~ /Timed-out/) {
return (-1, $@);
}
print "[$ret, $result]\n";
return ($ret, $result);
}
1;