X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FModule.pm;h=dd463138834023c4d51677d8b6e3a313d8e2c6ab;hp=25e6cb38d1e76c410ff4daaaa31adb9546315328;hb=HEAD;hpb=01e830f796a9ecdec0d977f2b88110363ebf013f

diff --git a/lib/Mouse/Meta/Module.pm b/lib/Mouse/Meta/Module.pm
old mode 100755
new mode 100644
index 25e6cb3..dd46313
--- a/lib/Mouse/Meta/Module.pm
+++ b/lib/Mouse/Meta/Module.pm
@@ -1,5 +1,5 @@
 package Mouse::Meta::Module;
-use Mouse::Util qw/:meta get_code_package get_code_ref load_class not_supported/; # enables strict and warnings
+use Mouse::Util qw/:meta/; # enables strict and warnings
 
 use Carp         ();
 use Scalar::Util ();
@@ -14,12 +14,6 @@ if(Mouse::Util::MOUSE_XS){
     *CLONE = sub { Mouse::Util::__register_metaclass_storage(\%METAS, 1) };
 }
 
-sub _metaclass_cache { # DEPRECATED
-    my($class, $name) = @_;
-    Carp::cluck('_metaclass_cache() has been deprecated. Use Mouse::Util::get_metaclass_by_name() instead');
-    return $METAS{$name};
-}
-
 sub initialize {
     my($class, $package_name, @args) = @_;
 
@@ -38,6 +32,9 @@ sub reinitialize {
     ($package_name && !ref($package_name))
         || $class->throw_error("You must pass a package name and it cannot be blessed");
 
+    if(exists $METAS{$package_name}) {
+        unshift @args, %{ $METAS{$package_name} };
+    }
     delete $METAS{$package_name};
     return $class->initialize($package_name, @args);
 }
@@ -49,7 +46,8 @@ sub _class_of{
 }
 
 # Means of accessing all the metaclasses that have
-# been initialized thus far
+# been initialized thus far.
+# The public versions are aliased into Mouse::Util::*.
 #sub _get_all_metaclasses         {        %METAS         }
 sub _get_all_metaclass_instances { values %METAS         }
 sub _get_all_metaclass_names     { keys   %METAS         }
@@ -63,19 +61,6 @@ sub name;
 
 sub namespace;
 
-# The followings are Class::MOP specific methods
-
-#sub version   { no strict 'refs'; ${shift->name.'::VERSION'}   }
-#sub authority { no strict 'refs'; ${shift->name.'::AUTHORITY'} }
-#sub identifier {
-#    my $self = shift;
-#    return join '-' => (
-#       $self->name,
-#        ($self->version   || ()),
-#        ($self->authority || ()),
-#    );
-#}
-
 # add_attribute is an abstract method
 
 sub get_attribute_map { # DEPRECATED
@@ -89,51 +74,44 @@ sub remove_attribute  { delete $_[0]->{attributes}->{$_[1]} }
 
 sub get_attribute_list{ keys   %{$_[0]->{attributes}} }
 
-# XXX: for backward compatibility
+# XXX: not completely compatible with Moose
 my %foreign = map{ $_ => undef } qw(
     Mouse Mouse::Role Mouse::Util Mouse::Util::TypeConstraints
     Carp Scalar::Util List::Util
 );
-sub _code_is_mine{
-#    my($self, $code) = @_;
-
-    return !exists $foreign{ get_code_package($_[1]) };
+sub _get_method_body {
+    my($self, $method_name) = @_;
+    my $code = Mouse::Util::get_code_ref($self->{package}, $method_name);
+    return $code && !exists $foreign{ Mouse::Util::get_code_package($code) }
+        ? $code
+        : undef;
 }
 
 sub add_method;
 
 sub has_method {
     my($self, $method_name) = @_;
-
     defined($method_name)
         or $self->throw_error('You must define a method name');
 
-    return defined($self->{methods}{$method_name}) || do{
-        my $code = get_code_ref($self->{package}, $method_name);
-        $code && $self->_code_is_mine($code);
-    };
+    return defined( $self->{methods}{$method_name} )
+        || defined( $self->_get_method_body($method_name) );
 }
 
 sub get_method_body {
     my($self, $method_name) = @_;
-
     defined($method_name)
         or $self->throw_error('You must define a method name');
 
-    return $self->{methods}{$method_name} ||= do{
-        my $code = get_code_ref($self->{package}, $method_name);
-        $code && $self->_code_is_mine($code) ? $code : undef;
-    };
+    return $self->{methods}{$method_name}
+        ||= $self->_get_method_body($method_name);
 }
 
-sub get_method{
+sub get_method {
     my($self, $method_name) = @_;
 
     if(my $code = $self->get_method_body($method_name)){
-        my $method_metaclass = $self->method_metaclass;
-        load_class($method_metaclass);
-
-        return $method_metaclass->wrap(
+        return Mouse::Util::load_class($self->method_metaclass)->wrap(
             body                 => $code,
             name                 => $method_name,
             package              => $self->name,
@@ -150,168 +128,194 @@ sub get_method_list {
     return grep { $self->has_method($_) } keys %{ $self->namespace };
 }
 
-{
-    my $ANON_SERIAL = 0;
-
-    my %IMMORTALS;
+sub _collect_methods { # Mouse specific, used for method modifiers
+    my($meta, @args) = @_;
 
-    sub create {
-        my($self, $package_name, %options) = @_;
-
-        my $class = ref($self) || $self;
-        $self->throw_error('You must pass a package name') if @_ < 2;
-
-        my $superclasses;
-        if(exists $options{superclasses}){
-            if(Mouse::Util::is_a_metarole($self)){
-                delete $options{superclasses};
+    my @methods;
+    foreach my $arg(@args){
+        if(my $type = ref $arg){
+            if($type eq 'Regexp'){
+                push @methods, grep { $_ =~ $arg } $meta->get_all_method_names;
+            }
+            elsif($type eq 'ARRAY'){
+                push @methods, @{$arg};
             }
             else{
-                $superclasses = delete $options{superclasses};
-                (ref $superclasses eq 'ARRAY')
-                    || $self->throw_error("You must pass an ARRAY ref of superclasses");
+                my $subname = ( caller(1) )[3];
+                $meta->throw_error(
+                    sprintf(
+                        'Methods passed to %s must be provided as a list,'
+                        . ' ArrayRef or regular expression, not %s',
+                        $subname,
+                        $type,
+                    )
+                );
             }
-        }
+         }
+         else{
+            push @methods, $arg;
+         }
+     }
+     return @methods;
+}
 
-        my $attributes = delete $options{attributes};
-        if(defined $attributes){
-            (ref $attributes eq 'ARRAY' || ref $attributes eq 'HASH')
-                || $self->throw_error("You must pass an ARRAY ref of attributes");
-        }
-        my $methods = delete $options{methods};
-        if(defined $methods){
-            (ref $methods eq 'HASH')
-                || $self->throw_error("You must pass a HASH ref of methods");
+my $ANON_SERIAL = 0;  # anonymous class/role id
+my %IMMORTALS;        # immortal anonymous classes
+
+sub create {
+    my($self, $package_name, %options) = @_;
+
+    my $class = ref($self) || $self;
+    $self->throw_error('You must pass a package name') if @_ < 2;
+
+    my $superclasses;
+    if(exists $options{superclasses}){
+        if(Mouse::Util::is_a_metarole($self)){
+            delete $options{superclasses};
         }
-        my $roles = delete $options{roles};
-        if(defined $roles){
-            (ref $roles eq 'ARRAY')
-                || $self->throw_error("You must pass an ARRAY ref of roles");
-        }
-        my $mortal;
-        my $cache_key;
-
-        if(!defined $package_name){ # anonymous
-            $mortal = !$options{cache};
-
-            # anonymous but immortal
-            if(!$mortal){
-                    # something like Super::Class|Super::Class::2=Role|Role::1
-                    $cache_key = join '=' => (
-                        join('|',      @{$superclasses || []}),
-                        join('|', sort @{$roles        || []}),
-                    );
-                    return $IMMORTALS{$cache_key} if exists $IMMORTALS{$cache_key};
-            }
-            $options{anon_serial_id} = ++$ANON_SERIAL;
-            $package_name = $class . '::__ANON__::' . $ANON_SERIAL;
+        else{
+            $superclasses = delete $options{superclasses};
+            (ref $superclasses eq 'ARRAY')
+                || $self->throw_error("You must pass an ARRAY ref of superclasses");
         }
+    }
 
-        # instantiate a module
-        {
-            no strict 'refs';
-            ${ $package_name . '::VERSION'   } = delete $options{version}   if exists $options{version};
-            ${ $package_name . '::AUTHORITY' } = delete $options{authority} if exists $options{authority};
+    my $attributes = delete $options{attributes};
+    if(defined $attributes){
+        (ref $attributes eq 'ARRAY' || ref $attributes eq 'HASH')
+            || $self->throw_error("You must pass an ARRAY ref of attributes");
+    }
+    my $methods = delete $options{methods};
+    if(defined $methods){
+        (ref $methods eq 'HASH')
+            || $self->throw_error("You must pass a HASH ref of methods");
+    }
+    my $roles = delete $options{roles};
+    if(defined $roles){
+        (ref $roles eq 'ARRAY')
+            || $self->throw_error("You must pass an ARRAY ref of roles");
+    }
+    my $mortal;
+    my $cache_key;
+
+    if(!defined $package_name){ # anonymous
+        $mortal = !$options{cache};
+
+        # anonymous but immortal
+        if(!$mortal){
+                # something like Super::Class|Super::Class::2=Role|Role::1
+                $cache_key = join '=' => (
+                    join('|',      @{$superclasses || []}),
+                    join('|', sort @{$roles        || []}),
+                );
+                return $IMMORTALS{$cache_key} if exists $IMMORTALS{$cache_key};
         }
+        $options{anon_serial_id} = ++$ANON_SERIAL;
+        $package_name = $class . '::__ANON__::' . $ANON_SERIAL;
+    }
 
-        my $meta = $self->initialize( $package_name, %options);
-
-        Scalar::Util::weaken $METAS{$package_name}
-            if $mortal;
-
-        $meta->add_method(meta => sub{
-            $self->initialize(ref($_[0]) || $_[0]);
-        });
-
-        $meta->superclasses(@{$superclasses})
-            if defined $superclasses;
-
-        # NOTE:
-        # process attributes first, so that they can
-        # install accessors, but locally defined methods
-        # can then overwrite them. It is maybe a little odd, but
-        # I think this should be the order of things.
-        if (defined $attributes) {
-            if(ref($attributes) eq 'ARRAY'){
-                # array of Mouse::Meta::Attribute
-                foreach my $attr (@{$attributes}) {
-                    $meta->add_attribute($attr);
-                }
-            }
-            else{
-                # hash map of name and attribute spec pairs
-                while(my($name, $attr) = each %{$attributes}){
-                    $meta->add_attribute($name => $attr);
-                }
+
+    # instantiate a module
+    {
+        no strict 'refs';
+        ${ $package_name . '::VERSION'   } = delete $options{version}   if exists $options{version};
+        ${ $package_name . '::AUTHORITY' } = delete $options{authority} if exists $options{authority};
+    }
+
+    my $meta = $self->initialize( $package_name, %options);
+
+    Scalar::Util::weaken($METAS{$package_name})
+        if $mortal;
+
+    $meta->add_method(meta => sub {
+        $self->initialize(ref($_[0]) || $_[0]);
+    });
+
+    $meta->superclasses(@{$superclasses})
+        if defined $superclasses;
+
+    # NOTE:
+    # process attributes first, so that they can
+    # install accessors, but locally defined methods
+    # can then overwrite them. It is maybe a little odd, but
+    # I think this should be the order of things.
+    if (defined $attributes) {
+        if(ref($attributes) eq 'ARRAY'){
+            # array of Mouse::Meta::Attribute
+            foreach my $attr (@{$attributes}) {
+                $meta->add_attribute($attr);
             }
         }
-        if (defined $methods) {
-            while(my($method_name, $method_body) = each %{$methods}){
-                $meta->add_method($method_name, $method_body);
+        else{
+            # hash map of name and attribute spec pairs
+            while(my($name, $attr) = each %{$attributes}){
+                $meta->add_attribute($name => $attr);
             }
         }
-        if (defined $roles){
-            Mouse::Util::apply_all_roles($package_name, @{$roles});
-        }
-
-        if($cache_key){
-            $IMMORTALS{$cache_key} = $meta;
+    }
+    if (defined $methods) {
+        while(my($method_name, $method_body) = each %{$methods}){
+            $meta->add_method($method_name, $method_body);
         }
+    }
+    if (defined $roles and !$options{in_application_to_instance}){
+        Mouse::Util::apply_all_roles($package_name, @{$roles});
+    }
 
-        return $meta;
+    if($cache_key){
+        $IMMORTALS{$cache_key} = $meta;
     }
 
-    sub DESTROY{
-        my($self) = @_;
+    return $meta;
+}
 
-        return if $Mouse::Util::in_global_destruction;
+sub DESTROY{
+    my($self) = @_;
 
-        my $serial_id = $self->{anon_serial_id};
+    return if $Mouse::Util::in_global_destruction;
 
-        return if !$serial_id;
+    my $serial_id = $self->{anon_serial_id};
+    return if !$serial_id;
 
-        # @ISA is a magical variable, so we clear it manually.
-        @{$self->{superclasses}} = () if exists $self->{superclasses};
+    # XXX: cleaning stash with threads causes panic/SEGV on legacy perls.
+    if(exists $INC{'threads.pm'}) {
+        # (caller)[2] indicates the caller's line number,
+        # which is zero when the current thread is joining (destroying).
+        return if( (caller)[2] == 0);
+    }
 
-        # Then, clear the symbol table hash
-        %{$self->namespace} = ();
+    # clean up mortal anonymous class stuff
 
-        my $name = $self->name;
-        delete $METAS{$name};
+    # @ISA is a magical variable, so we must clear it manually.
+    @{$self->{superclasses}} = () if exists $self->{superclasses};
 
-        $name =~ s/ $serial_id \z//xms;
+    # Then, clear the symbol table hash
+    %{$self->namespace} = ();
 
-        no strict 'refs';
-        delete ${$name}{ $serial_id . '::' };
+    my $name = $self->name;
+    delete $METAS{$name};
 
-        return;
-    }
+    $name =~ s/ $serial_id \z//xms;
+    no strict 'refs';
+    delete ${$name}{ $serial_id . '::' };
+    return;
 }
 
-sub throw_error{
-    my($class, $message, %args) = @_;
-
-    local $Carp::CarpLevel  = $Carp::CarpLevel + 1 + ($args{depth} || 0);
-    local $Carp::MaxArgNums = 20; # default is 8, usually we use named args which gets messier though
-
-    if(exists $args{longmess} && !$args{longmess}){ # intentionaly longmess => 0
-        Carp::croak($message);
-    }
-    else{
-        Carp::confess($message);
-    }
-}
 
 1;
 __END__
 
 =head1 NAME
 
-Mouse::Meta::Module - The base class for Mouse::Meta::Class and Mouse::Meta::Role
+Mouse::Meta::Module - The common base class of Mouse::Meta::Class and Mouse::Meta::Role
 
 =head1 VERSION
 
-This document describes Mouse version 0.49
+This document describes Mouse version 0.95
+
+=head1 DESCRIPTION
+
+This class is an abstract base class of meta classes and meta roles.
 
 =head1 SEE ALSO