1 package Object::Remote::ModuleLoader;
4 package Object::Remote::ModuleLoader::Hook;
6 use Object::Remote::Logging qw( :log :dlog );
7 has sender => (is => 'ro', required => 1);
9 # unqualified INC forced into package main
10 sub Object::Remote::ModuleLoader::Hook::INC {
11 my ($self, $module) = @_;
12 log_debug { "Loading $module via " . ref($self) };
15 if (my $code = $self->sender->source_for($module)) {
16 open my $fh, '<', \$code;
17 Dlog_trace { "Module sender successfully sent code for '$module': $code" } $code;
20 log_trace { "Module sender did not return code for '$module'" };
25 log_trace { "Module sender blew up - $@" };
26 if($@ =~ /Can't locate/)
28 # Fudge the error messge to make it work with
29 # Module::Runtime use_package_optimistically
30 # Module::Runtime wants - /\ACan't locate \Q$fn\E .+ at \Q@{[__FILE__]}\E line/
31 # We could probably measure and hard-code this but that could easily
32 # be a forwards compatibility disaster, so do a quick search of caller
33 # with a reasonable range; we're already into a woefully inefficient
34 # situation here so a little defensiveness won't make things much worse
35 for(my $i = 4; $i < 20; $i++)
37 my ($package, $file, $line) = caller($i);
39 if($package eq 'Module::Runtime')
41 # we want to fill in the error message with the
42 # module runtime module call info.
43 $@ =~ s/(in \@INC.)/$1 at $file line $line/;
56 use Object::Remote::Logging qw( :log );
58 has module_sender => (is => 'ro', required => 1);
60 has inc_hook => (is => 'lazy');
64 log_debug { "Constructing module builder hook" };
65 my $hook = Object::Remote::ModuleLoader::Hook->new(sender => $self->module_sender);
66 log_trace { "Done constructing module builder hook" };
70 sub BUILD { shift->enable }
73 log_debug { "enabling module loader hook" };
74 push @INC, shift->inc_hook;
80 log_debug { "disabling module loader hook" };
81 my $hook = $self->inc_hook;
82 @INC = grep $_ ne $hook, @INC;
86 sub DEMOLISH { $_[0]->disable unless $_[1] }