Mouse::Util::does_role() respects $thing->does() method

[gitmo/Mouse.git] / lib / Mouse / PurePerl.pm

diff --git a/lib/Mouse/PurePerl.pm b/lib/Mouse/PurePerl.pm
index a5eab76..88c5b5b 100644 (file)
--- a/lib/Mouse/PurePerl.pm
+++ b/lib/Mouse/PurePerl.pm
@@ -5,11 +5,11 @@ use strict;
 use warnings;
 use warnings FATAL => 'redefine'; # to avoid to load Mouse::PurePerl twice
 
+use Scalar::Util ();
 use B ();
 
 require Mouse::Util;
 
-
 # taken from Class/MOP.pm
 sub is_valid_class_name {
     my $class = shift;
@@ -134,24 +134,26 @@ sub generate_can_predicate_for {
 
 package Mouse::Util::TypeConstraints;
 
-use Scalar::Util qw(blessed looks_like_number openhandle);
 
 sub Any        { 1 }
 sub Item       { 1 }
 
-sub Bool       { $_[0] ? $_[0] eq '1' : 1 }
+sub Bool       { !$_[0] || $_[0] eq '1' }
 sub Undef      { !defined($_[0]) }
 sub Defined    {  defined($_[0])  }
 sub Value      {  defined($_[0]) && !ref($_[0]) }
-sub Num        {  looks_like_number($_[0]) }
-sub Int        {
-    my($value) = @_;
-    looks_like_number($value) && $value =~ /\A [+-]? [0-9]+  \z/xms;
-}
+sub Num        {  Scalar::Util::looks_like_number($_[0]) }
 sub Str        {
+    # We need to use a copy here to flatten MAGICs, for instance as in
+    # Str( substr($_, 0, 42) ).
     my($value) = @_;
     return defined($value) && ref(\$value) eq 'SCALAR';
 }
+sub Int        {
+    # We need to use a copy here to save the original internal SV flags.
+    my($value) = @_;
+    return defined($value) && $value =~ /\A -? [0-9]+  \z/xms;
+}
 
 sub Ref        { ref($_[0]) }
 sub ScalarRef  {
@@ -165,10 +167,12 @@ sub RegexpRef  { ref($_[0]) eq 'Regexp' }
 sub GlobRef    { ref($_[0]) eq 'GLOB'   }
 
 sub FileHandle {
-    return openhandle($_[0])  || (blessed($_[0]) && $_[0]->isa("IO::Handle"))
+    my($value) = @_;
+    return Scalar::Util::openhandle($value)
+        || (Scalar::Util::blessed($value) && $value->isa("IO::Handle"))
 }
 
-sub Object     { blessed($_[0]) && blessed($_[0]) ne 'Regexp' }
+sub Object     { Scalar::Util::blessed($_[0]) && ref($_[0]) ne 'Regexp' }
 
 sub ClassName  { Mouse::Util::is_class_loaded($_[0]) }
 sub RoleName   { (Mouse::Util::class_of($_[0]) || return 0)->isa('Mouse::Meta::Role') }
@@ -306,7 +310,7 @@ sub clone_object {
     my $object = shift;
     my $args   = $object->Mouse::Object::BUILDARGS(@_);
 
-    (blessed($object) && $object->isa($class->name))
+    (Scalar::Util::blessed($object) && $object->isa($class->name))
         || $class->throw_error("You must pass an instance of the metaclass (" . $class->name . "), not ($object)");
 
     my $cloned = bless { %$object }, ref $object;
@@ -335,6 +339,12 @@ sub is_immutable {  $_[0]->{is_immutable} }
 sub strict_constructor;
 *strict_constructor = $generate_class_accessor->('strict_constructor');
 
+sub _invalidate_metaclass_cache {
+    my($self) = @_;
+    delete $self->{_mouse_cache};
+    return;
+}
+
 sub _report_unknown_args {
     my($metaclass, $attrs, $args) = @_;
 
@@ -529,7 +539,7 @@ sub _process_options{
         if(defined $tc){ # both isa and does supplied
             my $does_ok = do{
                 local $@;
-                eval{ "$tc"->does($args) };
+                eval{ "$tc"->does($args->{does}) };
             };
             if(!$does_ok){
                 $class->throw_error("Cannot have both an isa option and a does option because '$tc' does not do '$args->{does}' on attribute ($name)");
@@ -579,7 +589,7 @@ sub _process_options{
 
     if ($args->{lazy}) {
         (exists $args->{default} || defined $args->{builder})
-            || $class->throw_error("You cannot have lazy attribute ($name) without specifying a default value for it");
+            || $class->throw_error("You cannot have a lazy attribute ($name) without specifying a default value for it");
     }
 
     return;
@@ -603,7 +613,6 @@ sub _identity  { Scalar::Util::refaddr($_[0]) } # overload 0+
 
 sub type_parameter           { $_[0]->{type_parameter} }
 sub _compiled_type_constraint{ $_[0]->{compiled_type_constraint} }
-sub _compiled_type_coercion  { $_[0]->{_compiled_type_coercion}  }
 
 sub __is_parameterized { exists $_[0]->{type_parameter} }
 sub has_coercion {       exists $_[0]->{_compiled_type_coercion} }
@@ -740,7 +749,7 @@ Mouse::PurePerl - A Mouse guts in pure Perl
 
 =head1 VERSION
 
-This document describes Mouse version 0.73
+This document describes Mouse version 0.95
 
 =head1 SEE ALSO