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1 | package Moose::Error::Default; |
2 | |
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3 | use strict; |
4 | use warnings; |
5 | |
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6 | our $AUTHORITY = 'cpan:STEVAN'; |
7 | |
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8 | use Carp::Heavy; |
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9 | use Class::MOP::MiniTrait; |
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10 | |
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11 | use base 'Class::MOP::Object'; |
12 | |
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13 | Class::MOP::MiniTrait::apply(__PACKAGE__, 'Moose::Meta::Object::Trait'); |
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14 | |
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15 | sub new { |
16 | my ( $self, @args ) = @_; |
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17 | if (defined $ENV{MOOSE_ERROR_STYLE} && $ENV{MOOSE_ERROR_STYLE} eq 'croak') { |
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18 | $self->create_error_croak( @args ); |
19 | } |
20 | else { |
21 | $self->create_error_confess( @args ); |
22 | } |
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23 | } |
24 | |
25 | sub create_error_croak { |
26 | my ( $self, @args ) = @_; |
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27 | $self->_create_error_carpmess( @args ); |
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28 | } |
29 | |
30 | sub create_error_confess { |
31 | my ( $self, @args ) = @_; |
32 | $self->_create_error_carpmess( @args, longmess => 1 ); |
33 | } |
34 | |
35 | sub _create_error_carpmess { |
36 | my ( $self, %args ) = @_; |
37 | |
38 | my $carp_level = 3 + ( $args{depth} || 1 ); |
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39 | local $Carp::MaxArgNums = 20; # default is 8, usually we use named args which gets messier though |
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40 | |
41 | my @args = exists $args{message} ? $args{message} : (); |
42 | |
43 | if ( $args{longmess} || $Carp::Verbose ) { |
44 | local $Carp::CarpLevel = ( $Carp::CarpLevel || 0 ) + $carp_level; |
45 | return Carp::longmess(@args); |
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46 | } else { |
47 | return Carp::ret_summary($carp_level, @args); |
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48 | } |
49 | } |
50 | |
51 | __PACKAGE__ |
52 | |
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53 | # ABSTRACT: L<Carp> based error generation for Moose. |
54 | |
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55 | __END__ |
56 | |
57 | =pod |
58 | |
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59 | =head1 DESCRIPTION |
60 | |
61 | This class implements L<Carp> based error generation. |
62 | |
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63 | The default behavior is like L<Moose::Error::Confess>. To override this to |
64 | default to L<Moose::Error::Croak>'s behaviour on a system wide basis, set the |
65 | MOOSE_ERROR_STYLE environment variable to C<croak>. The use of this |
66 | environment variable is considered experimental, and may change in a future |
67 | release. |
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68 | |
69 | =head1 METHODS |
70 | |
71 | =over 4 |
72 | |
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73 | =item B<< Moose::Error::Default->new(@args) >> |
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74 | |
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75 | Create a new error. Delegates to C<create_error_confess> or |
76 | C<create_error_croak>. |
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77 | |
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78 | =item B<< $error->create_error_confess(@args) >> |
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79 | |
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80 | =item B<< $error->create_error_croak(@args) >> |
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81 | |
82 | Creates a new errors string of the specified style. |
83 | |
84 | =back |
85 | |
86 | =cut |
87 | |
88 | |