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) };
14 if (my $code = $self->sender->source_for($module)) {
15 open my $fh, '<', \$code;
16 Dlog_trace { "Module sender successfully sent code for '$module': $code" } $code;
19 log_trace { "Module sender did not return code for '$module'" };
23 log_trace { "Module sender blew up - $@" };
24 if ($@ =~ /Can't locate/) {
25 my @caller = caller(0);
26 if ($caller[0] eq 'base') {
27 $@ =~ s/(in \@INC.)/$1 at $caller[1] line $caller[2]/;
29 # Fudge the error messge to make it work with
30 # Module::Runtime use_package_optimistically
31 # Module::Runtime wants - /\ACan't locate \Q$fn\E .+ at \Q@{[__FILE__]}\E line/
32 # We could probably measure and hard-code this but that could easily
33 # be a forwards compatibility disaster, so do a quick search of caller
34 # with a reasonable range; we're already into a woefully inefficient
35 # situation here so a little defensiveness won't make things much worse
36 foreach my $i (4..20) {
37 my ($package, $file, $line) = caller($i);
39 if ($package eq 'Module::Runtime') {
40 # we want to fill in the error message with the
41 # module runtime module call info.
42 $@ =~ s/(in \@INC.)/$1 at $file line $line/;
55 use Object::Remote::Logging qw( :log );
57 has module_sender => (is => 'ro', required => 1);
59 has inc_hook => (is => 'lazy');
63 log_debug { "Constructing module builder hook" };
64 my $hook = Object::Remote::ModuleLoader::Hook->new(sender => $self->module_sender);
65 log_trace { "Done constructing module builder hook" };
69 sub BUILD { shift->enable }
72 log_debug { "enabling module loader hook" };
73 push @INC, shift->inc_hook;
79 log_debug { "disabling module loader hook" };
80 my $hook = $self->inc_hook;
81 @INC = grep $_ ne $hook, @INC;
85 sub DEMOLISH { $_[0]->disable unless $_[1] }