X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FPurePerl.pm;h=f51b4c2540ff3ddfc4a56ae81767b51dc995e510;hp=7d11a638aa7ee412c0dcdcdd9f738d8a7ebb37da;hb=f7e41edaceee0d549a2d664378cfcf85dcf9454b;hpb=ccb38d0b59fd3c82b5e5812a31de988fb9a4bf4f

diff --git a/lib/Mouse/PurePerl.pm b/lib/Mouse/PurePerl.pm
index 7d11a63..f51b4c2 100644
--- a/lib/Mouse/PurePerl.pm
+++ b/lib/Mouse/PurePerl.pm
@@ -1,5 +1,7 @@
 package Mouse::PurePerl;
 
+require Mouse::Util;
+
 package
     Mouse::Util;
 
@@ -76,15 +78,10 @@ sub get_code_ref{
     return *{$package . '::' . $name}{CODE};
 }
 
-package
-    Mouse::Util::TypeConstraints;
-
-use Scalar::Util qw(blessed looks_like_number openhandle);
-
-sub _generate_class_type_for{
+sub generate_isa_predicate_for {
     my($for_class, $name) = @_;
 
-    my $predicate = sub{ blessed($_[0]) && $_[0]->isa($for_class) };
+    my $predicate = sub{ Scalar::Util::blessed($_[0]) && $_[0]->isa($for_class) };
 
     if(defined $name){
         no strict 'refs';
@@ -96,6 +93,11 @@ sub _generate_class_type_for{
 }
 
 
+package
+    Mouse::Util::TypeConstraints;
+
+use Scalar::Util qw(blessed looks_like_number openhandle);
+
 sub Any        { 1 }
 sub Item       { 1 }
 
@@ -124,6 +126,41 @@ sub Object     { blessed($_[0]) && blessed($_[0]) ne 'Regexp' }
 sub ClassName  { Mouse::Util::is_class_loaded($_[0]) }
 sub RoleName   { (Mouse::Util::class_of($_[0]) || return 0)->isa('Mouse::Meta::Role') }
 
+sub _parameterize_ArrayRef_for {
+    my($type_parameter) = @_;
+    my $check = $type_parameter->_compiled_type_constraint;
+
+    return sub {
+        foreach my $value (@{$_}) {
+            return undef unless $check->($value);
+        }
+        return 1;
+    }
+}
+
+sub _parameterize_HashRef_for {
+    my($type_parameter) = @_;
+    my $check = $type_parameter->_compiled_type_constraint;
+
+    return sub {
+        foreach my $value(values %{$_}){
+            return undef unless $check->($value);
+        }
+        return 1;
+    };
+}
+
+# 'Maybe' type accepts 'Any', so it requires parameters
+sub _parameterize_Maybe_for {
+    my($type_parameter) = @_;
+    my $check = $type_parameter->_compiled_type_constraint;
+
+    return sub{
+        return !defined($_) || $check->($_);
+    };
+};
+
+
 
 package
     Mouse::Meta::Module;
@@ -131,7 +168,7 @@ package
 sub name          { $_[0]->{package} }
 
 sub _method_map   { $_[0]->{methods} }
-sub _attribute_map{ $_[0]->{attribute_map} }
+sub _attribute_map{ $_[0]->{attributes} }
 
 sub namespace{
     my $name = $_[0]->{package};
@@ -166,6 +203,12 @@ sub add_method {
 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};
 }
@@ -174,9 +217,82 @@ sub roles { $_[0]->{roles} }
 
 sub linearized_isa { @{ get_linear_isa($_[0]->{package}) } }
 
+sub get_all_attributes {
+    my($self) = @_;
+    my %attrs = map { %{ $self->initialize($_)->{attributes} } } reverse $self->linearized_isa;
+    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) = @_;
+
+    my @triggers_queue;
+
+    foreach my $attribute ($self->get_all_attributes) {
+        my $init_arg = $attribute->init_arg;
+        my $slot     = $attribute->name;
+
+        if (defined($init_arg) && exists($args->{$init_arg})) {
+            $object->{$slot} = $attribute->_coerce_and_verify($args->{$init_arg}, $object);
+
+            weaken($object->{$slot})
+                if ref($object->{$slot}) && $attribute->is_weak_ref;
+
+            if ($attribute->has_trigger) {
+                push @triggers_queue, [ $attribute->trigger, $object->{$slot} ];
+            }
+        }
+        else { # no init arg
+            if ($attribute->has_default || $attribute->has_builder) {
+                if (!$attribute->is_lazy) {
+                    my $default = $attribute->default;
+                    my $builder = $attribute->builder;
+                    my $value =   $builder                ? $object->$builder()
+                                : ref($default) eq 'CODE' ? $object->$default()
+                                :                           $default;
+
+                    $object->{$slot} = $attribute->_coerce_and_verify($value, $object);
+
+                    weaken($object->{$slot})
+                        if ref($object->{$slot}) && $attribute->is_weak_ref;
+                }
+            }
+            elsif($attribute->is_required) {
+                $self->throw_error("Attribute (".$attribute->name.") is required");
+            }
+        }
+    }
+
+    if(!$ignore_triggers){
+        foreach my $trigger_and_value(@triggers_queue){
+            my($trigger, $value) = @{$trigger_and_value};
+            $trigger->($object, $value);
+        }
+    }
+
+    if($self->is_anon_class){
+        $object->{__METACLASS__} = $self;
+    }
+
+    return;
+}
+
+
 package
     Mouse::Meta::Role;
 
+sub method_metaclass{ $_[0]->{method_metaclass} || 'Mouse::Meta::Role::Method' }
+
 sub is_anon_role{
     return exists $_[0]->{anon_serial_id};
 }
@@ -186,7 +302,9 @@ 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
 
@@ -232,8 +350,6 @@ sub has_builder          { exists $_[0]->{builder}         }
 
 sub has_documentation    { exists $_[0]->{documentation}   }
 
-sub accessor_metaclass(){ 'Mouse::Meta::Method::Accessor' }
-
 package
     Mouse::Meta::TypeConstraint;
 
@@ -247,6 +363,126 @@ sub _compiled_type_coercion  { $_[0]->{_compiled_type_coercion}  }
 
 sub has_coercion{ exists $_[0]->{_compiled_type_coercion} }
 
+
+sub compile_type_constraint{
+    my($self) = @_;
+
+    # add parents first
+    my @checks;
+    for(my $parent = $self->{parent}; defined $parent; $parent = $parent->{parent}){
+         if($parent->{hand_optimized_type_constraint}){
+            unshift @checks, $parent->{hand_optimized_type_constraint};
+            last; # a hand optimized constraint must include all the parents
+        }
+        elsif($parent->{constraint}){
+            unshift @checks, $parent->{constraint};
+        }
+    }
+
+    # then add child
+    if($self->{constraint}){
+        push @checks, $self->{constraint};
+    }
+
+    if($self->{type_constraints}){ # Union
+        my @types = map{ $_->{compiled_type_constraint} } @{ $self->{type_constraints} };
+        push @checks, sub{
+            foreach my $c(@types){
+                return 1 if $c->($_[0]);
+            }
+            return 0;
+        };
+    }
+
+    if(@checks == 0){
+        $self->{compiled_type_constraint} = \&Mouse::Util::TypeConstraints::Any;
+    }
+    else{
+        $self->{compiled_type_constraint} =  sub{
+            my(@args) = @_;
+            local $_ = $args[0];
+            foreach my $c(@checks){
+                return undef if !$c->(@args);
+            }
+            return 1;
+        };
+    }
+    return;
+}
+
+package
+    Mouse::Object;
+
+
+sub BUILDARGS {
+    my $class = shift;
+
+    if (scalar @_ == 1) {
+        (ref($_[0]) eq 'HASH')
+            || $class->meta->throw_error("Single parameters to new() must be a HASH ref");
+
+        return {%{$_[0]}};
+    }
+    else {
+        return {@_};
+    }
+}
+
+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
+}
+
 1;
 __END__
 
@@ -256,7 +492,7 @@ Mouse::PurePerl - A Mouse guts in pure Perl
 
 =head1 VERSION
 
-This document describes Mouse version 0.40_01
+This document describes Mouse version 0.40_08
 
 =head1 SEE ALSO