use Scalar::Util qw/blessed looks_like_number openhandle/;
use Mouse::Util qw(does_role not_supported);
-use Mouse::Meta::Module; # class_of
use Mouse::Meta::TypeConstraint;
-use constant _DEBUG => !!$ENV{TC_DEBUG};
-
our @ISA = qw(Exporter);
our @EXPORT = qw(
as where message from via type subtype coerce class_type role_type enum
}
sub coerce {
- my $name = shift;
-
- $name =~ s/\s+//g;
- confess "Cannot find type '$name', perhaps you forgot to load it."
- unless $TYPE{$name};
-
- unless ($COERCE{$name}) {
- $COERCE{$name} = {};
- $COERCE_KEYS{$name} = [];
- }
-
- my $package_defined_in = caller;
-
- while (my($from, $action) = splice @_, 0, 2) {
- $from =~ s/\s+//g;
+ my $type_name = shift;
- confess "A coercion action already exists for '$from'"
- if $COERCE{$name}->{$from};
+ my $type = find_type_constraint($type_name)
+ or confess("Cannot find type '$type_name', perhaps you forgot to load it.");
- my $type = find_or_parse_type_constraint($from, $package_defined_in);
- if (!$type) {
- confess "Could not find the type constraint ($from) to coerce from"
- }
-
- warn "# REGISTER COERCE $name, from $type\n" if _DEBUG;
-
- push @{ $COERCE_KEYS{$name} }, $type;
- $COERCE{$name}->{$from} = $action;
- }
+ $type->_add_type_coercions(@_);
return;
}
);
}
-# this is an original method for Mouse
sub typecast_constraints {
- my($class, $pkg, $types, $value) = @_;
+ my($class, $pkg, $type, $value) = @_;
Carp::croak("wrong arguments count") unless @_ == 4;
- local $_;
- for my $type ($types->{type_constraints} ? @{$types->{type_constraints}} : $types ) {
- for my $coerce_type (@{ $COERCE_KEYS{$type}}) {
+ Carp::cluck("typecast_constraints() has been deprecated, which was an internal utility anyway");
- if(_DEBUG){
- warn sprintf "# COERCE: from %s to %s for %s (%s)\n",
- $coerce_type, $type, defined($value) ? "'$value'" : 'undef',
- $coerce_type->check($value) ? "try" : "skip";
- }
-
- next if !$coerce_type->check($value);
-
- # try to coerce
- $_ = $value;
- my $coerced = $COERCE{$type}->{$coerce_type}->($value); # coerce
-
- if(_DEBUG){
- warn sprintf "# COERCE: got %s, which is%s %s\n",
- defined($coerced) ? $coerced : 'undef', $types->check($coerced) ? '' : ' not', $types;
- }
-
- # check with $types, not $constraint
- return $coerced if $types->check($coerced);
- }
- }
- return $value; # returns original $value
+ return $type->coerce($value);
}
sub enum {
return $TYPE{$spec} if exists $TYPE{$spec};
- my $meta = Mouse::Meta::Module::class_of($spec);
+ my $meta = Mouse::Util::get_metaclass_by_name($spec);
if(!$meta){
return;
$type = 'Class';
}
- warn "#CREATE a $type type for $spec\n" if _DEBUG;
-
return $TYPE{$spec} = Mouse::Meta::TypeConstraint->new(
name => $spec,
optimized => $check,
my $name = sprintf '%s[%s]', $base->name, $param->name;
$TYPE{$name} ||= do{
- warn "#CREATE a Parameterized type for $name\n" if _DEBUG;
-
my $generator = $base->{constraint_generator};
if(!$generator){
my $name = join '|', map{ $_->name } @types;
$TYPE{$name} ||= do{
- warn "# CREATE a Union type for ", Mouse::Util::english_list(@types),"\n" if _DEBUG;
-
return Mouse::Meta::TypeConstraint->new(
name => $name,
type_constraints => \@types,