use 5.003_11;
use strict;
-our $VERSION = "2.06";
+our $VERSION = "2.07";
use Carp;
# the whole glob *_ rather than $_ and @_ separately, otherwise
# @_ in non default packages within the compartment don't work.
$obj->share_from('main', $default_share);
+ Opcode::_safe_pkg_prep($obj->{Root});
return $obj;
}
my $pkg = shift;
my $vars = shift;
my $no_record = shift || 0;
+ my $root = $obj->root();
croak("vars not an array ref") unless ref $vars eq 'ARRAY';
no strict 'refs';
# Check that 'from' package actually exists
my ($var, $type);
$type = $1 if ($var = $arg) =~ s/^(\W)//;
# warn "share_from $pkg $type $var";
- my $obj_to_share = (!$type) ? \&{$pkg."::$var"}
+ *{$root."::$var"} = (!$type) ? \&{$pkg."::$var"}
: ($type eq '&') ? \&{$pkg."::$var"}
: ($type eq '$') ? \${$pkg."::$var"}
: ($type eq '@') ? \@{$pkg."::$var"}
: ($type eq '%') ? \%{$pkg."::$var"}
: ($type eq '*') ? *{$pkg."::$var"}
: croak(qq(Can't share "$type$var" of unknown type));
- package main;
- Opcode::_safe_call_sv($obj->{Root}, $obj->{Mask},
- sub { *$var = $obj_to_share });
}
$obj->share_record($pkg, $vars) unless $no_record or !$vars;
}
sub reval {
my ($obj, $expr, $strict) = @_;
+ my $root = $obj->{Root};
- package main;
- if ($strict) {
- use strict;
- return Opcode::_safe_call_sv($obj->{Root}, $obj->{Mask},
- sub { eval $expr });
- }
- else {
- no strict;
- return Opcode::_safe_call_sv($obj->{Root}, $obj->{Mask},
- sub { eval $expr });
- }
+ # Create anon sub ref in root of compartment.
+ # Uses a closure (on $expr) to pass in the code to be executed.
+ # (eval on one line to keep line numbers as expected by caller)
+ my $evalcode = sprintf('package %s; sub { eval $expr; }', $root);
+ my $evalsub;
+
+ if ($strict) { use strict; $evalsub = eval $evalcode; }
+ else { no strict; $evalsub = eval $evalcode; }
+
+ return Opcode::_safe_call_sv($root, $obj->{Mask}, $evalsub);
}
sub rdo {
my ($obj, $file) = @_;
- package main;
- return Opcode::_safe_call_sv($obj->{Root}, $obj->{Mask},
- sub { do $file });
+ my $root = $obj->{Root};
+
+ my $evalsub = eval
+ sprintf('package %s; sub { do $file }', $root);
+ return Opcode::_safe_call_sv($root, $obj->{Mask}, $evalsub);
}
=item share (NAME, ...)
This shares the variable(s) in the argument list with the compartment.
-This is almost identical to exporting variables using the L<Exporter(3)>
+This is almost identical to exporting variables using the L<Exporter>
module.
Each NAME must be the B<name> of a variable, typically with the leading