X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FPurePerl.pm;h=8cfa3d173e872093f730b858e25b9ac278b4427b;hp=ecc61e103a466c19e91c9f5724bc731e4343f9d8;hb=81fd550d4417451af22a45f26b93829b4515bb89;hpb=6423ed47a3392af0da9cd37ac8519583e51feb27

diff --git a/lib/Mouse/PurePerl.pm b/lib/Mouse/PurePerl.pm
index ecc61e1..8cfa3d1 100644
--- a/lib/Mouse/PurePerl.pm
+++ b/lib/Mouse/PurePerl.pm
@@ -18,15 +18,20 @@ sub is_class_loaded {
     return 0 if ref($class) || !defined($class) || !length($class);
 
     # walk the symbol table tree to avoid autovififying
-    # \*{${main::}{"Foo::"}} == \*main::Foo::
+    # \*{${main::}{"Foo::"}{"Bar::"}} == \*main::Foo::Bar::
 
     my $pack = \%::;
     foreach my $part (split('::', $class)) {
-        my $entry = \$pack->{$part . '::'};
+        $part .= '::';
+        return 0 if !exists $pack->{$part};
+
+        my $entry = \$pack->{$part};
         return 0 if ref($entry) ne 'GLOB';
-        $pack = *{$entry}{HASH} or return 0;
+        $pack = *{$entry}{HASH};
     }
 
+    return 0 if !%{$pack};
+
     # check for $VERSION or @ISA
     return 1 if exists $pack->{VERSION}
              && defined *{$pack->{VERSION}}{SCALAR} && defined ${ $pack->{VERSION} };
@@ -92,6 +97,32 @@ sub generate_isa_predicate_for {
     return $predicate;
 }
 
+sub generate_can_predicate_for {
+    my($methods_ref, $name) = @_;
+
+    my @methods = @{$methods_ref};
+
+    my $predicate = sub{
+        my($instance) = @_;
+        if(Scalar::Util::blessed($instance)){
+            foreach my $method(@methods){
+                if(!$instance->can($method)){
+                    return 0;
+                }
+            }
+            return 1;
+        }
+        return 0;
+    };
+
+    if(defined $name){
+        no strict 'refs';
+        *{ caller() . '::' . $name } = $predicate;
+        return;
+    }
+
+    return $predicate;
+}
 
 package
     Mouse::Util::TypeConstraints;
@@ -199,10 +230,14 @@ sub add_method {
     return;
 }
 
-
 package
     Mouse::Meta::Class;
 
+sub method_metaclass    { $_[0]->{method_metaclass}    || 'Mouse::Meta::Method'    }
+sub attribute_metaclass { $_[0]->{attribute_metaclass} || 'Mouse::Meta::Attribute' }
+
+sub constructor_class { $_[0]->{constructor_class} || 'Mouse::Meta::Method::Constructor' }
+sub destructor_class  { $_[0]->{destructor_class}  || 'Mouse::Meta::Method::Destructor'  }
 
 sub is_anon_class{
     return exists $_[0]->{anon_serial_id};
@@ -218,6 +253,16 @@ sub get_all_attributes {
     return values %attrs;
 }
 
+sub new_object {
+    my $self = shift;
+    my %args = (@_ == 1 ? %{$_[0]} : @_);
+
+    my $object = bless {}, $self->name;
+
+    $self->_initialize_object($object, \%args);
+    return $object;
+}
+
 sub _initialize_object{
     my($self, $object, $args, $ignore_triggers) = @_;
 
@@ -272,10 +317,13 @@ sub _initialize_object{
     return;
 }
 
+sub is_immutable {  $_[0]->{is_immutable} }
 
 package
     Mouse::Meta::Role;
 
+sub method_metaclass{ $_[0]->{method_metaclass} || 'Mouse::Meta::Role::Method' }
+
 sub is_anon_role{
     return exists $_[0]->{anon_serial_id};
 }
@@ -285,7 +333,9 @@ sub get_roles { $_[0]->{roles} }
 package
     Mouse::Meta::Attribute;
 
-use Mouse::Meta::Method::Accessor;
+require Mouse::Meta::Method::Accessor;
+
+sub accessor_metaclass{ $_[0]->{accessor_metaclass} || 'Mouse::Meta::Method::Accessor' }
 
 # readers
 
@@ -331,8 +381,6 @@ sub has_builder          { exists $_[0]->{builder}         }
 
 sub has_documentation    { exists $_[0]->{documentation}   }
 
-sub accessor_metaclass(){ 'Mouse::Meta::Method::Accessor' }
-
 package
     Mouse::Meta::TypeConstraint;
 
@@ -411,6 +459,79 @@ sub BUILDARGS {
     }
 }
 
+sub new {
+    my $class = shift;
+
+    $class->meta->throw_error('Cannot call new() on an instance') if ref $class;
+
+    my $args = $class->BUILDARGS(@_);
+
+    my $meta = Mouse::Meta::Class->initialize($class);
+    my $self = $meta->new_object($args);
+
+    # BUILDALL
+    if( $self->can('BUILD') ) {
+        for my $class (reverse $meta->linearized_isa) {
+            my $build = Mouse::Util::get_code_ref($class, 'BUILD')
+                || next;
+
+            $self->$build($args);
+        }
+    }
+
+    return $self;
+}
+
+sub DESTROY {
+    my $self = shift;
+
+    return unless $self->can('DEMOLISH'); # short circuit
+
+    local $?;
+
+    my $e = do{
+        local $@;
+        eval{
+
+            # DEMOLISHALL
+
+            # We cannot count on being able to retrieve a previously made
+            # metaclass, _or_ being able to make a new one during global
+            # destruction. However, we should still be able to use mro at
+            # that time (at least tests suggest so ;)
+
+            foreach my $class (@{ Mouse::Util::get_linear_isa(ref $self) }) {
+                my $demolish = Mouse::Util::get_code_ref($class, 'DEMOLISH')
+                    || next;
+
+                $self->$demolish();
+            }
+        };
+        $@;
+    };
+
+    no warnings 'misc';
+    die $e if $e; # rethrow
+}
+
+sub BUILDALL {
+    my $self = shift;
+
+    # short circuit
+    return unless $self->can('BUILD');
+
+    for my $class (reverse $self->meta->linearized_isa) {
+        my $build = Mouse::Util::get_code_ref($class, 'BUILD')
+            || next;
+
+        $self->$build(@_);
+    }
+    return;
+}
+
+sub DEMOLISHALL;
+*DEMOLISHALL = \&DESTROY;
+
 1;
 __END__
 
@@ -420,7 +541,7 @@ Mouse::PurePerl - A Mouse guts in pure Perl
 
 =head1 VERSION
 
-This document describes Mouse version 0.40_05
+This document describes Mouse version 0.45
 
 =head1 SEE ALSO