1 package Moose::Error::Default;
7 use Class::MOP::MiniTrait;
9 use base 'Class::MOP::Object';
11 Class::MOP::MiniTrait::apply(__PACKAGE__, 'Moose::Meta::Object::Trait');
14 my ( $self, @args ) = @_;
15 if (defined $ENV{MOOSE_ERROR_STYLE} && $ENV{MOOSE_ERROR_STYLE} eq 'croak') {
16 $self->create_error_croak( @args );
19 $self->create_error_confess( @args );
24 my ( $self, @args ) = @_;
27 . '(defined $ENV{MOOSE_ERROR_STYLE} && $ENV{MOOSE_ERROR_STYLE} eq "croak"'
28 . ' ? ' . $self->_inline_create_error_carpmess(@args)
29 . ' : ' . $self->_inline_create_error_carpmess(@args, longmess => 1)
33 sub create_error_croak {
34 my ( $self, @args ) = @_;
35 $self->_create_error_carpmess( @args );
38 sub create_error_confess {
39 my ( $self, @args ) = @_;
40 $self->_create_error_carpmess( @args, longmess => 1 );
43 sub _create_error_carpmess {
44 my ( $self, %args ) = @_;
46 my $carp_level = 3 + ( $args{depth} || 1 );
47 local $Carp::MaxArgNums = 20; # default is 8, usually we use named args which gets messier though
49 my @args = exists $args{message} ? $args{message} : ();
51 if ( $args{longmess} || $Carp::Verbose ) {
52 local $Carp::CarpLevel = ( $Carp::CarpLevel || 0 ) + $carp_level;
53 return Carp::longmess(@args);
55 return Carp::ret_summary($carp_level, @args);
59 sub _inline_create_error_carpmess {
60 my ( $self, %args ) = @_;
62 my $carp_level = $args{depth} || 0;
64 my $create_message = 'Carp::longmess(' . $args{message} . ')';
66 if (!$args{longmess}) {
69 . '? ' . $create_message . ' '
70 . ': Carp::ret_summary('
71 . $carp_level . ', ' . $args{message}
77 . 'local $Carp::MaxArgNums = 20; '
78 . 'local $Carp::CarpLevel = ($Carp::CarpLevel || 0) + '
86 # ABSTRACT: L<Carp> based error generation for Moose.
94 This class implements L<Carp> based error generation.
96 The default behavior is like L<Moose::Error::Confess>. To override this to
97 default to L<Moose::Error::Croak>'s behaviour on a system wide basis, set the
98 MOOSE_ERROR_STYLE environment variable to C<croak>. The use of this
99 environment variable is considered experimental, and may change in a future
106 =item B<< Moose::Error::Default->new(@args) >>
108 Create a new error. Delegates to C<create_error_confess> or
109 C<create_error_croak>.
111 =item B<< $error->create_error_confess(@args) >>
113 =item B<< $error->create_error_croak(@args) >>
115 Creates a new errors string of the specified style.