lewd warnication brings proof positive of lost weakness. ceci n'est pas un haiku

[gitmo/MooseX-Antlers.git] / tracer.pl

diff --git a/tracer.pl b/tracer.pl
index a58c25a..a170ace 100644 (file)
--- a/tracer.pl
+++ b/tracer.pl
@@ -119,7 +119,10 @@ sub visit_ref {
 
   # have to test $_[0] directly since copying a weak ref gives a strong ref
 
+warn $self->_current_trace_name;
+warn $_[0];
   if (isweak $_[0]) {
+warn "got here";
     $self->weaken_these->{$self->_current_trace_name} = 1;
   }
 
@@ -136,6 +139,44 @@ sub visit_ref {
   return $self->next::method(@_);
 }
 
+sub _register_mapping { $_[2] }
+
+sub fixup_code {
+  my $self = shift;
+  join("\n\n",
+    grep defined,
+      map $self->${\"_fixup_code_for_$_"},
+        qw(externals weakrefs)
+  );
+}
+
+sub _fixup_code_for_externals {
+  my $self = shift;
+  my $ext = $self->map_these;
+  return unless keys %$ext;
+  join("\n",
+    qq{# fixup code for external references},
+    map {
+      $_.' = '.$ext->{$_}.';';
+    }
+    sort keys %$ext
+  );
+}
+
+sub _fixup_code_for_weakrefs {
+  my $self = shift;
+  my $weaken = $self->weaken_these;
+  return unless keys %$weaken;
+  join("\n",
+    qq{# fixup code for weak references},
+    'use Scalar::Util ();',
+    map {
+      'Scalar::Util::weaken('.$_.');';
+    }
+    sort keys %$weaken
+  );
+}
+
 # force recursion into objects (Data::Visitor doesn't by default)
 
 sub visit_object { shift->visit_ref(@_) }
@@ -143,7 +184,7 @@ sub visit_object { shift->visit_ref(@_) }
 }
 
 use Test::More qw(no_plan);
-use Scalar::Util qw(refaddr);
+use Scalar::Util qw(refaddr weaken);
 
 my $foo = {
   bar => { baz => [ 'quux', { fleem => 1 } ] },
@@ -184,25 +225,24 @@ foreach my $e (@expect) {
   is($map{$e},refaddr($value), "Result for ${e} ok");
 }
 
-=pod
-  
-use Data::Dumper; $Data::Dumper::Indent = 1;
+my $flimflam = {
+  one => { two => three },
+  bard => $foo->{skald},
+  bard_guts => ${$foo->{skald}},
+  empty_now => $foo->{bar},
+};
 
-warn Dumper($tracer->_traced_refs);
-warn Dumper($tracer->_traced_names);
+weaken($flimflam->{weak_one} = $flimflam->{one});
 
-=pod
+my $replacer = Ref::Replacer->new({
+  external_mappings => $result,
+  root_name => '$final',
+});
 
-cmp_ok(
-  scalar(@expect), '==', scalar(@{$tracer->_traced_refs}),
-  'Right number of traced refs',
-);
+my $copyflam = $replacer->visit($flimflam);
+
+use Data::Dumper; $Data::Dumper::Indent = 1;
 
-my $reflist = $tracer->_traced_refs;
+warn Dumper($copyflam);
 
-foreach my $i (0 .. $#expect) {
-  my $tail = "at list pos $i";
-  is($e[$i], $reflist[$i], "Correct ref $e[$i] at $tail");
-  my $data = getdata $reflist[$i], Trace::Constants::TRACE_WIZ;
-  is($data->[0], 'Blue', "tag ok at $tail");
-  cmp_ok($data->[1], '==', $i, "Index ok at $i");
+warn $replacer->fixup_code;