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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 $VERSION = '1.16'; |
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7 | $VERSION = eval $VERSION; |
8 | our $AUTHORITY = 'cpan:STEVAN'; |
9 | |
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10 | use Carp::Heavy; |
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11 | use Class::MOP::MiniTrait; |
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12 | |
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13 | use base 'Class::MOP::Object'; |
14 | |
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15 | Class::MOP::MiniTrait::apply(__PACKAGE__, 'Moose::Meta::Object::Trait'); |
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16 | |
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17 | sub new { |
18 | my ( $self, @args ) = @_; |
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19 | if (defined $ENV{MOOSE_ERROR_STYLE} && $ENV{MOOSE_ERROR_STYLE} eq 'croak') { |
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20 | $self->create_error_croak( @args ); |
21 | } |
22 | else { |
23 | $self->create_error_confess( @args ); |
24 | } |
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25 | } |
26 | |
27 | sub create_error_croak { |
28 | my ( $self, @args ) = @_; |
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29 | $self->_create_error_carpmess( @args ); |
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30 | } |
31 | |
32 | sub create_error_confess { |
33 | my ( $self, @args ) = @_; |
34 | $self->_create_error_carpmess( @args, longmess => 1 ); |
35 | } |
36 | |
37 | sub _create_error_carpmess { |
38 | my ( $self, %args ) = @_; |
39 | |
40 | my $carp_level = 3 + ( $args{depth} || 1 ); |
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41 | local $Carp::MaxArgNums = 20; # default is 8, usually we use named args which gets messier though |
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42 | |
43 | my @args = exists $args{message} ? $args{message} : (); |
44 | |
45 | if ( $args{longmess} || $Carp::Verbose ) { |
46 | local $Carp::CarpLevel = ( $Carp::CarpLevel || 0 ) + $carp_level; |
47 | return Carp::longmess(@args); |
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48 | } else { |
49 | return Carp::ret_summary($carp_level, @args); |
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50 | } |
51 | } |
52 | |
53 | __PACKAGE__ |
54 | |
55 | __END__ |
56 | |
57 | =pod |
58 | |
59 | =head1 NAME |
60 | |
61 | Moose::Error::Default - L<Carp> based error generation for Moose. |
62 | |
63 | =head1 DESCRIPTION |
64 | |
65 | This class implements L<Carp> based error generation. |
66 | |
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67 | The default behavior is like L<Moose::Error::Confess>. To override this to |
68 | default to L<Moose::Error::Croak>'s behaviour on a system wide basis, set the |
69 | MOOSE_ERROR_STYLE environment variable to C<croak>. The use of this |
70 | environment variable is considered experimental, and may change in a future |
71 | release. |
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72 | |
73 | =head1 METHODS |
74 | |
75 | =over 4 |
76 | |
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77 | =item B<< Moose::Error::Default->new(@args) >> |
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78 | |
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79 | Create a new error. Delegates to C<create_error_confess> or |
80 | C<create_error_croak>. |
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81 | |
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82 | =item B<< $error->create_error_confess(@args) >> |
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83 | |
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84 | =item B<< $error->create_error_croak(@args) >> |
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85 | |
86 | Creates a new errors string of the specified style. |
87 | |
88 | =back |
89 | |
90 | =cut |
91 | |
92 | |