X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FImport%2FInto.pm;h=b7d645fa800969a1a0163a323a643e02d4ad6ecd;hb=3946b3211d4c1adef2221543abd60c8f80088b99;hp=a3c56528e427032b595010f8662f8a6b3310eafb;hpb=95ecfed2dfe247f1cb4cba0edd6cb2f706fdc930;p=p5sagit%2FImport-Into.git

diff --git a/lib/Import/Into.pm b/lib/Import/Into.pm
index a3c5652..b7d645f 100644
--- a/lib/Import/Into.pm
+++ b/lib/Import/Into.pm
@@ -9,12 +9,17 @@ my %importers;
 
 sub _importer {
   my $target = shift;
-  \($importers{$target} ||= eval qq{
-    package $target;
-    sub { my \$m = splice \@_, 1, 1; shift->\$m(\@_) };
-  } or die "Couldn't build importer for $target: $@")
+  my ($package, $file, $line)
+    = $target =~ /[^0-9]/ ? ($target) : caller($target + 1);
+  my $code = qq{package $package;\n}
+    . ($file ? "#line $line \"$file\"\n" : '')
+    . 'sub { my $m = splice @_, 1, 1; shift->$m(@_) };'."\n";
+  my $sub = \(eval $code
+    or die "Couldn't build importer for $package: $@");
+  $importers{$target} = $sub
+    unless $file;
+  $sub;
 }
-  
 
 sub import::into {
   my ($class, $target, @args) = @_;