use Carp ();
use Scalar::Util qw/blessed looks_like_number openhandle/;
+use Mouse::Meta::TypeConstraint;
our @EXPORT = qw(
as where message from via type subtype coerce class_type role_type enum
Object => sub { blessed($_[0]) && blessed($_[0]) ne 'Regexp' },
);
- foreach my $code (values %TYPE) {
- bless $code, 'Mouse::Meta::TypeConstraint';
+ while (my ($name, $code) = each %TYPE) {
+ $TYPE{$name} = Mouse::Meta::TypeConstraint->new( _compiled_type_constraint => $code, name => $name );
}
sub optimized_constraints { \%TYPE }
};
$TYPE_SOURCE{$name} = $pkg;
- $TYPE{$name} = sub { local $_ = $_[0]; $constraint->($_[0]) };
+ $TYPE{$name} = Mouse::Meta::TypeConstraint->new(
+ name => $name,
+ _compiled_type_constraint => sub {
+ local $_ = $_[0];
+ if (ref $constraint eq 'CODE') {
+ $constraint->($_[0])
+ } else {
+ $constraint->check($_[0])
+ }
+ }
+ );
}
sub subtype {
my $as_constraint = find_or_create_isa_type_constraint($conf{as} || 'Any');
$TYPE_SOURCE{$name} = $pkg;
- $TYPE{$name} = $constraint ?
- sub {
- local $_ = $_[0];
- $as_constraint->($_[0]) && $constraint->($_[0])
- } :
- sub {
- local $_ = $_[0];
- $as_constraint->($_[0]);
- }
- ;
+ $TYPE{$name} = Mouse::Meta::TypeConstraint->new(
+ name => $name,
+ _compiled_type_constraint => (
+ $constraint ?
+ sub {
+ local $_ = $_[0];
+ $as_constraint->check($_[0]) && $constraint->($_[0])
+ } :
+ sub {
+ local $_ = $_[0];
+ $as_constraint->check($_[0]);
+ }
+ ),
+ );
return $name;
}
if (! $TYPE{$type}) {
# looks parameterized
if ($type =~ /^[^\[]+\[.+\]$/) {
- _build_type_constraint($type);
+ $TYPE{$type} = _build_type_constraint($type);
} else {
Carp::croak "Could not find the type constraint ($type) to coerce from"
}
);
}
+# this is an original method for Mouse
sub typecast_constraints {
- my($class, $pkg, $type_constraint, $types, $value) = @_;
+ my($class, $pkg, $types, $value) = @_;
+ Carp::croak("wrong arguments count") unless @_==4;
local $_;
- for my $type (ref($types) eq 'ARRAY' ? @{ $types } : ( $types )) {
+ for my $type ( split /\|/, $types ) {
next unless $COERCE{$type};
for my $coerce_type (@{ $COERCE_KEYS{$type}}) {
$_ = $value;
- next unless $TYPE{$coerce_type}->($value);
+ next unless $TYPE{$coerce_type}->check($value);
$_ = $value;
$_ = $COERCE{$type}->{$coerce_type}->($value);
- return $_ if $type_constraint->($_);
+ return $_ if $types->check($_);
}
}
return $value;
my $spec = shift;
my $code;
+ $spec =~ s/\s+//g;
if ($spec =~ /^([^\[]+)\[(.+)\]$/) {
# parameterized
my $constraint = $1;
my $code_str =
"#line " . __LINE__ . ' "' . __FILE__ . "\"\n" .
"sub {\n" .
- " if (\$parent->(\$_[0])) {\n" .
+ " if (\$parent->check(\$_[0])) {\n" .
" foreach my \$e (\@{\$_[0]}) {\n" .
- " return () unless \$child->(\$e);\n" .
+ " return () unless \$child->check(\$e);\n" .
" }\n" .
" return 1;\n" .
" }\n" .
my $code_str =
"#line " . __LINE__ . ' "' . __FILE__ . "\"\n" .
"sub {\n" .
- " if (\$parent->(\$_[0])) {\n" .
+ " if (\$parent->check(\$_[0])) {\n" .
" foreach my \$e (values \%{\$_[0]}) {\n" .
- " return () unless \$child->(\$e);\n" .
+ " return () unless \$child->check(\$e);\n" .
" }\n" .
" return 1;\n" .
" }\n" .
my $code_str =
"#line " . __LINE__ . ' "' . __FILE__ . "\"\n" .
"sub {\n" .
- " return \$child->(\$_[0]) || \$parent->(\$_[0]);\n" .
+ " return \$child->check(\$_[0]) || \$parent->check(\$_[0]);\n" .
"};\n"
;
$code = eval $code_str or Carp::confess($@);
} else {
- Carp::confess("Support for parameterized types other than ArrayRef or HashRef is not implemented yet");
+ Carp::confess("Support for parameterized types other than Maybe, ArrayRef or HashRef is not implemented yet");
}
- $TYPE{$spec} = $code;
+ $TYPE{$spec} = Mouse::Meta::TypeConstraint->new( _compiled_type_constraint => $code, name => $spec );
} else {
$code = $TYPE{ $spec };
if (! $code) {
+ # is $spec a known role? If so, constrain with 'does' instead of 'isa'
+ require Mouse::Meta::Role;
+ my $check = Mouse::Meta::Role->_metaclass_cache($spec)?
+ 'does' : 'isa';
my $code_str =
"#line " . __LINE__ . ' "' . __FILE__ . "\"\n" .
"sub {\n" .
- " Scalar::Util::blessed(\$_[0]) && \$_[0]->isa('$spec');\n" .
+ " Scalar::Util::blessed(\$_[0]) && \$_[0]->$check('$spec');\n" .
"}"
;
$code = eval $code_str or Carp::confess($@);
- $TYPE{$spec} = bless $code, 'Mouse::Meta::TypeConstraint';
+ $TYPE{$spec} = Mouse::Meta::TypeConstraint->new( _compiled_type_constraint => $code, name => $spec );
}
}
- return bless $code, 'Mouse::Meta::TypeConstraint';
+ return Mouse::Meta::TypeConstraint->new( _compiled_type_constraint => $code, name => $spec );
}
sub find_type_constraint {
my $code;
$type_constraint =~ s/\s+//g;
- my @type_constraints = split /\|/, $type_constraint;
- if (@type_constraints == 1) {
- $code = $TYPE{$type_constraints[0]} ||
- _build_type_constraint($type_constraints[0]);
- } else {
- my @code_list = map {
- $TYPE{$_} || _build_type_constraint($_)
- } @type_constraints;
- $code = bless sub {
- my $i = 0;
- for my $code (@code_list) {
- return 1 if $code->($_[0]);
- }
- return 0;
- }, 'Mouse::Meta::TypeConstraint';
+
+ $code = $TYPE{$type_constraint};
+ if (! $code) {
+ my @type_constraints = split /\|/, $type_constraint;
+ if (@type_constraints == 1) {
+ $code = $TYPE{$type_constraints[0]} ||
+ _build_type_constraint($type_constraints[0]);
+ } else {
+ my @code_list = map {
+ $TYPE{$_} || _build_type_constraint($_)
+ } @type_constraints;
+ $code = Mouse::Meta::TypeConstraint->new(
+ _compiled_type_constraint => sub {
+ my $i = 0;
+ for my $code (@code_list) {
+ return 1 if $code->check($_[0]);
+ }
+ return 0;
+ },
+ name => $type_constraint,
+ );
+ }
}
return $code;
}
-package # Hide from pause
- Mouse::Meta::TypeConstraint;
-
-sub check {
- $_[0]->($_[1])
-}
-
-
1;
__END__