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# ABSTRACT: Exception Object for Perl 5 |
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package Data::Object::Exception; |
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use 5.010; |
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use overload ( |
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'""' => 'to_string', |
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'~~' => 'to_string', |
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fallback => 1, |
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); |
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use Data::Dumper (); |
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use Scalar::Util (); |
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use Data::Object::Class; |
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our $VERSION = '0.42'; # VERSION |
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has file => ( is => 'ro' ); |
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has line => ( is => 'ro' ); |
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has message => ( is => 'ro' ); |
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has object => ( is => 'ro' ); |
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has package => ( is => 'ro' ); |
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has subroutine => ( is => 'ro' ); |
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around BUILDARGS => sub { |
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my $orig = shift; |
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my $self = shift; |
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unshift @_, (ref $_[0] ? 'object' : 'message') if @_ == 1; |
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return $self->$orig(@_); |
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}; |
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sub catch { |
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my $invocant = shift; |
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my $object = shift; |
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! Scalar::Util::blessed($object) |
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&& UNIVERSAL::isa($object, $invocant); |
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} |
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sub dump { |
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my $invocant = shift; |
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local $Data::Dumper::Terse = 1; |
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Data::Dumper::Dumper($invocant); |
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} |
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sub throw { |
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my $invocant = shift; |
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my $package = ref $invocant || $invocant; |
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unshift @_, (ref $_[0] ? 'object' : 'message') if @_ == 1; |
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die $package->new(ref $invocant ? (%$invocant) : (), @_, |
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file => (caller(0))[1], |
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line => (caller(0))[2], |
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package => (caller(0))[0], |
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subroutine => (caller(0))[3], |
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); |
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} |
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sub to_string { |
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my $self = shift; |
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my $class = ref $self; |
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my $file = $self->file; |
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my $line = $self->line; |
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my $default = $self->message; |
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my $object = $self->object; |
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my $objref = overload::StrVal $object if $object; |
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my $message = $default || "An exception ($class) was thrown"; |
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my @with = join " ", "with", $objref if $objref and not $default; |
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return join(" ", $message, @with, "in $file at line $line") . "\n"; |
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} |
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1; |
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__END__ |