1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
|
package SQL::Translator::Role::Debug;
use Moo::Role;
use Sub::Quote qw(quote_sub);
has _DEBUG => (
is => 'rw',
accessor => 'debugging',
init_arg => 'debugging',
coerce => quote_sub(q{ $_[0] ? 1 : 0 }),
lazy => 1,
builder => 1,
);
sub _build__DEBUG {
my ($self) = @_;
my $class = ref $self;
no strict 'refs';
return ${"${class}::DEBUG"};
}
around debugging => sub {
my ($orig, $self) = (shift, shift);
# Emulate horrible Class::Base API
unless (ref $self) {
my $dbgref = do { no strict 'refs'; \${"${self}::DEBUG"} };
$$dbgref = $_[0] if @_;
return $$dbgref;
}
return $self->$orig(@_);
};
sub debug {
my $self = shift;
return unless $self->debugging;
print STDERR '[', (ref $self || $self), '] ', @_, "\n";
}
1;
|