From: Jesse Luehrs <doy@tozt.net>
Date: Sun, 19 Sep 2010 01:15:21 +0000 (-0500)
Subject: revert the vivication changes for now, i didn't mean to release them
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=44726d1abdc534e4ac6ddfc6d91d245c8dc0ebc7;p=gitmo%2FPackage-Stash-PP.git

revert the vivication changes for now, i didn't mean to release them
---

diff --git a/lib/Package/Stash.pm b/lib/Package/Stash.pm
index 77236d0..32e5d30 100644
--- a/lib/Package/Stash.pm
+++ b/lib/Package/Stash.pm
@@ -5,7 +5,6 @@ use warnings;
 
 use Carp qw(confess);
 use Scalar::Util qw(reftype);
-use Symbol;
 
 =head1 SYNOPSIS
 
@@ -230,32 +229,22 @@ sub get_package_symbol {
 
     my $namespace = $self->namespace;
 
-    if ($opts{vivify} && !exists $namespace->{$name}) {
-        if ($type eq 'ARRAY') {
-            $self->add_package_symbol(
-                $variable,
-                # setting our own arrayref manually loses the magicalness or
-                # something
-                $name eq 'ISA' ? () : ([])
-            );
+    if (!exists $namespace->{$name}) {
+        # assigning to the result of this function like
+        #   @{$stash->get_package_symbol('@ISA')} = @new_ISA
+        # makes the result not visible until the variable is explicitly
+        # accessed... in the case of @ISA, this might never happen
+        # for instance, assigning like that and then calling $obj->isa
+        # will fail. see t/005-isa.t
+        if ($opts{vivify} && $type eq 'ARRAY' && $name ne 'ISA') {
+            $self->add_package_symbol($variable, []);
         }
-        elsif ($type eq 'HASH') {
+        elsif ($opts{vivify} && $type eq 'HASH') {
             $self->add_package_symbol($variable, {});
         }
-        elsif ($type eq 'SCALAR') {
-            $self->add_package_symbol($variable);
-        }
-        elsif ($type eq 'IO') {
-            $self->add_package_symbol($variable, Symbol::geniosym);
-        }
-        elsif ($type eq 'CODE') {
-            # ignoring this case for now, since i don't know what would
-            # be useful to do here (and subs in the stash autovivify in weird
-            # ways too)
-            #$self->add_package_symbol($variable, sub {});
-        }
         else {
-            confess "Unknown type $type in vivication";
+            # FIXME
+            $self->add_package_symbol($variable)
         }
     }
 
diff --git a/t/04-get.t b/t/04-get.t
index 3176ed1..ebeb864 100644
--- a/t/04-get.t
+++ b/t/04-get.t
@@ -7,194 +7,60 @@ use Package::Stash;
 
 {
     BEGIN {
-        my $stash = Package::Stash->new('Hash');
+        my $stash = Package::Stash->new('Foo');
         my $val = $stash->get_package_symbol('%foo');
         is($val, undef, "got nothing yet");
     }
     {
         no warnings 'void', 'once';
-        %Hash::foo;
+        %Foo::foo;
     }
     BEGIN {
-        my $stash = Package::Stash->new('Hash');
+        my $stash = Package::Stash->new('Foo');
         my $val = $stash->get_package_symbol('%foo');
         is(ref($val), 'HASH', "got something");
         $val->{bar} = 1;
         is_deeply($stash->get_package_symbol('%foo'), {bar => 1},
-                  "got the right variable");
-        is_deeply(\%Hash::foo, {bar => 1},
-                  "stash has the right variable");
+                "got the right variable");
     }
 }
 
 {
     BEGIN {
-        my $stash = Package::Stash->new('Array');
+        my $stash = Package::Stash->new('Bar');
         my $val = $stash->get_package_symbol('@foo');
-        is($val, undef, "got nothing yet");
+        is($val, undef, "got something");
     }
     {
         no warnings 'void', 'once';
-        @Array::foo;
+        @Bar::foo;
     }
     BEGIN {
-        my $stash = Package::Stash->new('Array');
+        my $stash = Package::Stash->new('Bar');
         my $val = $stash->get_package_symbol('@foo');
         is(ref($val), 'ARRAY', "got something");
         push @$val, 1;
         is_deeply($stash->get_package_symbol('@foo'), [1],
-                  "got the right variable");
-        is_deeply(\@Array::foo, [1],
-                  "stash has the right variable");
-    }
-}
-
-{
-    BEGIN {
-        my $stash = Package::Stash->new('Scalar');
-        my $val = $stash->get_package_symbol('$foo');
-        is($val, undef, "got nothing yet");
-    }
-    {
-        no warnings 'void', 'once';
-        $Scalar::foo;
-    }
-    BEGIN {
-        my $stash = Package::Stash->new('Scalar');
-        my $val = $stash->get_package_symbol('$foo');
-        is(ref($val), 'SCALAR', "got something");
-        $$val = 1;
-        is_deeply($stash->get_package_symbol('$foo'), \1,
-                  "got the right variable");
-        is($Scalar::foo, 1,
-           "stash has the right variable");
+                "got the right variable");
     }
 }
 
 {
-    BEGIN {
-        my $stash = Package::Stash->new('Io');
-        my $val = $stash->get_package_symbol('FOO');
-        is($val, undef, "got nothing yet");
-    }
-    {
-        no warnings 'void', 'once';
-        package Io;
-        fileno(FOO);
-    }
-    BEGIN {
-        my $stash = Package::Stash->new('Io');
-        my $val = $stash->get_package_symbol('FOO');
-        isa_ok($val, 'IO');
-        my $str = "foo";
-        open $val, '<', \$str;
-        is(readline($stash->get_package_symbol('FOO')), "foo",
-           "got the right variable");
-        seek($stash->get_package_symbol('FOO'), 0, 0);
-        {
-            package Io;
-            ::isa_ok(*FOO{IO}, 'IO');
-            ::is(<FOO>, "foo",
-                 "stash has the right variable");
-        }
-    }
-}
-
-TODO: {
-    # making TODO tests at a mixture of BEGIN and runtime is irritating
-    my $_TODO;
-    BEGIN { $_TODO = "obviously I don't understand this well enough"; }
-    BEGIN { $TODO = $_TODO; }
-    $TODO = $_TODO;
-    BEGIN {
-        my $stash = Package::Stash->new('Code');
-        my $val = $stash->get_package_symbol('&foo');
-        is($val, undef, "got nothing yet");
-    }
-    {
-        no warnings 'void', 'once';
-        \&Code::foo;
-    }
-    BEGIN {
-        my $stash = Package::Stash->new('Code');
-        my $val = $stash->get_package_symbol('&foo');
-        undef $TODO;
-        is(ref($val), 'CODE', "got something");
-        $TODO = $_TODO;
-        SKIP: {
-            eval "require PadWalker"
-                or skip "needs PadWalker", 1;
-            # avoid padwalker segfault
-            if (!defined($val)) {
-                fail("got the right variable");
-            }
-            else {
-                PadWalker::set_closed_over($val, {'$x' => 1});
-                is_deeply({PadWalker::closed_over($stash->get_package_symbol('&foo'))}, {'$x' => 1},
-                          "got the right variable");
-                is_deeply({PadWalker::closed_over(\&Code::foo)}, {'$x' => 1},
-                          "stash has the right variable");
-            }
-        }
-    }
-    BEGIN { undef $TODO; }
-    undef $TODO;
-}
-
-{
-    my $stash = Package::Stash->new('Hash::Vivify');
+    my $stash = Package::Stash->new('Baz');
     my $val = $stash->get_or_add_package_symbol('%foo');
     is(ref($val), 'HASH', "got something");
     $val->{bar} = 1;
     is_deeply($stash->get_or_add_package_symbol('%foo'), {bar => 1},
-              "got the right variable");
-    no warnings 'once';
-    is_deeply(\%Hash::Vivify::foo, {bar => 1},
-              "stash has the right variable");
+            "got the right variable");
 }
 
 {
-    my $stash = Package::Stash->new('Array::Vivify');
+    my $stash = Package::Stash->new('Quux');
     my $val = $stash->get_or_add_package_symbol('@foo');
     is(ref($val), 'ARRAY', "got something");
     push @$val, 1;
     is_deeply($stash->get_or_add_package_symbol('@foo'), [1],
-              "got the right variable");
-    no warnings 'once';
-    is_deeply(\@Array::Vivify::foo, [1],
-              "stash has the right variable");
-}
-
-{
-    my $stash = Package::Stash->new('Scalar::Vivify');
-    my $val = $stash->get_or_add_package_symbol('$foo');
-    is(ref($val), 'SCALAR', "got something");
-    $$val = 1;
-    is_deeply($stash->get_or_add_package_symbol('$foo'), \1,
-              "got the right variable");
-    no warnings 'once';
-    is($Scalar::Vivify::foo, 1,
-       "stash has the right variable");
-}
-
-{
-    BEGIN {
-        my $stash = Package::Stash->new('Io::Vivify');
-        my $val = $stash->get_or_add_package_symbol('FOO');
-        isa_ok($val, 'IO');
-        my $str = "foo";
-        open $val, '<', \$str;
-        is(readline($stash->get_package_symbol('FOO')), "foo",
-           "got the right variable");
-        seek($stash->get_package_symbol('FOO'), 0, 0);
-    }
-    {
-        package Io::Vivify;
-        no warnings 'once';
-        ::isa_ok(*FOO{IO}, 'IO');
-        ::is(<FOO>, "foo",
-             "stash has the right variable");
-    }
+            "got the right variable");
 }
 
 done_testing;
diff --git a/t/05-isa.t b/t/05-isa.t
index 0b41b72..3198fb1 100644
--- a/t/05-isa.t
+++ b/t/05-isa.t
@@ -15,7 +15,7 @@ use Package::Stash;
 
 my $stash = Package::Stash->new('Foo');
 my @ISA = ('Bar');
-@{$stash->get_or_add_package_symbol('@ISA')} = @ISA;
+@{$stash->get_package_symbol('@ISA')} = @ISA;
 isa_ok('Foo', 'Bar');
 
 done_testing;