7 use warnings FATAL => 'redefine'; # to avoid to load Mouse::PurePerl
14 return 0 if ref($class) || !defined($class) || !length($class);
16 # walk the symbol table tree to avoid autovififying
17 # \*{${main::}{"Foo::"}} == \*main::Foo::
20 foreach my $part (split('::', $class)) {
21 my $entry = \$pack->{$part . '::'};
22 return 0 if ref($entry) ne 'GLOB';
23 $pack = *{$entry}{HASH} or return 0;
26 # check for $VERSION or @ISA
27 return 1 if exists $pack->{VERSION}
28 && defined *{$pack->{VERSION}}{SCALAR} && defined ${ $pack->{VERSION} };
29 return 1 if exists $pack->{ISA}
30 && defined *{$pack->{ISA}}{ARRAY} && @{ $pack->{ISA} } != 0;
32 # check for any method
33 foreach my $name( keys %{$pack} ) {
34 my $entry = \$pack->{$name};
35 return 1 if ref($entry) ne 'GLOB' || defined *{$entry}{CODE};
43 # taken from Sub::Identify
46 ref($coderef) or return;
48 my $cv = B::svref_2object($coderef);
49 $cv->isa('B::CV') or return;
52 $gv->isa('B::GV') or return;
54 return ($gv->STASH->NAME, $gv->NAME);
60 my $cv = B::svref_2object($coderef);
61 $cv->isa('B::CV') or return '';
64 $gv->isa('B::GV') or return '';
66 return $gv->STASH->NAME;
70 my($package, $name) = @_;
73 use warnings FATAL => 'uninitialized';
74 return *{$package . '::' . $name}{CODE};
78 Mouse::Util::TypeConstraints;
80 sub _generate_class_type_for{
81 my($for_class, $name) = @_;
83 my $predicate = sub{ Scalar::Util::blessed($_[0]) && $_[0]->isa($for_class) };
87 *{ caller() . '::' . $name } = $predicate;
98 sub Bool { $_[0] ? $_[0] eq '1' : 1 }
99 sub Undef { !defined($_[0]) }
100 sub Defined { defined($_[0]) }
101 sub Value { defined($_[0]) && !ref($_[0]) }
102 sub Num { !ref($_[0]) && looks_like_number($_[0]) }
103 sub Int { defined($_[0]) && !ref($_[0]) && $_[0] =~ /^-?[0-9]+$/ }
104 sub Str { defined($_[0]) && !ref($_[0]) }
106 sub Ref { ref($_[0]) }
107 sub ScalarRef { ref($_[0]) eq 'SCALAR' }
108 sub ArrayRef { ref($_[0]) eq 'ARRAY' }
109 sub HashRef { ref($_[0]) eq 'HASH' }
110 sub CodeRef { ref($_[0]) eq 'CODE' }
111 sub RegexpRef { ref($_[0]) eq 'Regexp' }
112 sub GlobRef { ref($_[0]) eq 'GLOB' }
115 openhandle($_[0]) || (blessed($_[0]) && $_[0]->isa("IO::Handle"))
118 sub Object { blessed($_[0]) && blessed($_[0]) ne 'Regexp' }
120 sub ClassName { Mouse::Util::is_class_loaded($_[0]) }
121 sub RoleName { (Mouse::Util::class_of($_[0]) || return 0)->isa('Mouse::Meta::Role') }
127 sub name { $_[0]->{package} }
130 my $name = $_[0]->{package};
132 return \%{ $name . '::' };
139 return exists $_[0]->{anon_serial_id};
142 sub roles { $_[0]->{roles} }
144 sub linearized_isa { @{ get_linear_isa($_[0]->{package}) } }
150 return exists $_[0]->{anon_serial_id};
153 sub get_roles { $_[0]->{roles} }
156 Mouse::Meta::Attribute;
161 sub name { $_[0]->{name} }
162 sub associated_class { $_[0]->{associated_class} }
164 sub accessor { $_[0]->{accessor} }
165 sub reader { $_[0]->{reader} }
166 sub writer { $_[0]->{writer} }
167 sub predicate { $_[0]->{predicate} }
168 sub clearer { $_[0]->{clearer} }
169 sub handles { $_[0]->{handles} }
171 sub _is_metadata { $_[0]->{is} }
172 sub is_required { $_[0]->{required} }
173 sub default { $_[0]->{default} }
174 sub is_lazy { $_[0]->{lazy} }
175 sub is_lazy_build { $_[0]->{lazy_build} }
176 sub is_weak_ref { $_[0]->{weak_ref} }
177 sub init_arg { $_[0]->{init_arg} }
178 sub type_constraint { $_[0]->{type_constraint} }
180 sub trigger { $_[0]->{trigger} }
181 sub builder { $_[0]->{builder} }
182 sub should_auto_deref { $_[0]->{auto_deref} }
183 sub should_coerce { $_[0]->{coerce} }
185 sub documentation { $_[0]->{documentation} }
189 sub has_accessor { exists $_[0]->{accessor} }
190 sub has_reader { exists $_[0]->{reader} }
191 sub has_writer { exists $_[0]->{writer} }
192 sub has_predicate { exists $_[0]->{predicate} }
193 sub has_clearer { exists $_[0]->{clearer} }
194 sub has_handles { exists $_[0]->{handles} }
196 sub has_default { exists $_[0]->{default} }
197 sub has_type_constraint { exists $_[0]->{type_constraint} }
198 sub has_trigger { exists $_[0]->{trigger} }
199 sub has_builder { exists $_[0]->{builder} }
201 sub has_documentation { exists $_[0]->{documentation} }
203 sub accessor_metaclass(){ 'Mouse::Meta::Method::Accessor' }
206 Mouse::Meta::TypeConstraint;
208 sub name { $_[0]->{name} }
209 sub parent { $_[0]->{parent} }
210 sub message { $_[0]->{message} }
212 sub _compiled_type_constraint{ $_[0]->{compiled_type_constraint} }
214 sub _compiled_type_coercion { $_[0]->{_compiled_type_coercion} }
217 sub has_coercion{ exists $_[0]->{_compiled_type_coercion} }