X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=scpubgit%2FObject-Remote.git;a=blobdiff_plain;f=lib%2FObject%2FRemote%2FModuleLoader.pm;h=43a3a38f9f38276fbbc6f806288932e9407c372b;hp=ebd1cb493fcf48686c9c24ef530538dbee356d62;hb=bef36e73e4257b2ba8e59eb55661ffc51d8a620a;hpb=5e2b222948b50fe1bff9e0cc8285fd6e2c930d1c

diff --git a/lib/Object/Remote/ModuleLoader.pm b/lib/Object/Remote/ModuleLoader.pm
index ebd1cb4..43a3a38 100644
--- a/lib/Object/Remote/ModuleLoader.pm
+++ b/lib/Object/Remote/ModuleLoader.pm
@@ -3,16 +3,46 @@ package Object::Remote::ModuleLoader;
 BEGIN {
   package Object::Remote::ModuleLoader::Hook;
   use Moo;
+  use Object::Remote::Logging qw( :log :dlog );
   has sender => (is => 'ro', required => 1);
 
   # unqualified INC forced into package main
   sub Object::Remote::ModuleLoader::Hook::INC {
     my ($self, $module) = @_;
-    if (my $code = $self->sender->source_for($module)) {
-      open my $fh, '<', \$code;
-      return $fh;
+    log_debug { "Loading $module via " . ref($self) };
+    my $ret = eval {
+      if (my $code = $self->sender->source_for($module)) {
+        open my $fh, '<', \$code;
+        Dlog_trace { "Module sender successfully sent code for '$module': $code" } $code;
+        return $fh;
+      }
+      log_trace { "Module sender did not return code for '$module'" };
+      return;
+    };
+    if ($@) {
+      log_trace { "Module sender blew up - $@" };
+      if ($@ =~ /Can't locate/) {
+        # Fudge the error messge to make it work with
+        # Module::Runtime use_package_optimistically
+        # Module::Runtime wants - /\ACan't locate \Q$fn\E .+ at \Q@{[__FILE__]}\E line/
+        # We could probably measure and hard-code this but that could easily
+        # be a forwards compatibility disaster, so do a quick search of caller
+        # with a reasonable range; we're already into a woefully inefficient
+        # situation here so a little defensiveness won't make things much worse
+        foreach my $i (4..20) {
+          my ($package, $file, $line) = caller($i);
+          last unless $package;
+          if ($package eq 'Module::Runtime') {
+            # we want to fill in the error message with the 
+            # module runtime module call info.
+            $@ =~ s/(in \@INC.)/$1 at $file line $line/;
+            last;
+          }
+        }
+      }
+      die $@;
     }
-    return;
+    return $ret;
   }
 }
 
@@ -27,20 +57,22 @@ has inc_hook => (is => 'lazy');
 sub _build_inc_hook {
   my ($self) = @_;
   log_debug { "Constructing module builder hook" };
-  #TODO why didn't log_trace return the argument? 
-  logS_trace { "Done constructing module builder hook" }
-    Object::Remote::ModuleLoader::Hook->new(sender => $self->module_sender);
+  my $hook = Object::Remote::ModuleLoader::Hook->new(sender => $self->module_sender);
+  log_trace { "Done constructing module builder hook" };
+  return $hook;
 }
 
 sub BUILD { shift->enable }
 
 sub enable {
+  log_debug { "enabling module loader hook" };
   push @INC, shift->inc_hook;
   return;
 }
 
 sub disable {
   my ($self) = @_;
+  log_debug { "disabling module loader hook" };
   my $hook = $self->inc_hook;
   @INC = grep $_ ne $hook, @INC;
   return;