line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
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package Devel::StackTrace; |
2
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3
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10
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10
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186637
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use 5.006; |
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51
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4
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5
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10
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61
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use strict; |
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16
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10
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260
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6
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10
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10
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42
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use warnings; |
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16
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10
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590
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7
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8
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our $VERSION = '2.02'; |
9
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10
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10
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10
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4709
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use Devel::StackTrace::Frame; |
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10
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104
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10
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322
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11
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10
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10
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76
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use File::Spec; |
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10
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22
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10
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306
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12
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10
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10
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82
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use Scalar::Util qw( blessed ); |
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10
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12
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10
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1551
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13
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14
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use overload |
15
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10
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106
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'""' => \&as_string, |
16
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10
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10
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13645
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fallback => 1; |
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10
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11058
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17
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18
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sub new { |
19
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30
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30
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1
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11622
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my $class = shift; |
20
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30
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121
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my %p = @_; |
21
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22
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$p{unsafe_ref_capture} = !delete $p{no_refs} |
23
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30
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100
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105
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if exists $p{no_refs}; |
24
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25
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30
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149
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my $self = bless { |
26
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index => undef, |
27
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frames => [], |
28
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raw => [], |
29
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%p, |
30
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}, $class; |
31
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32
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30
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74
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$self->_record_caller_data; |
33
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34
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30
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108
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return $self; |
35
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} |
36
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37
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sub _record_caller_data { |
38
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30
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30
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37
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my $self = shift; |
39
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40
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30
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66
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324
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my $filter = $self->{filter_frames_early} && $self->_make_frame_filter; |
41
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42
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# We exclude this method by starting at least one frame back. |
43
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30
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100
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176
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my $x = 1 + ( $self->{skip_frames} || 0 ); |
44
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45
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30
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100
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83
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while ( |
46
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my @c |
47
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= $self->{no_args} |
48
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? caller( $x++ ) |
49
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: do { |
50
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## no critic (Modules::ProhibitMultiplePackages, Variables::ProhibitPackageVars) |
51
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package # the newline keeps dzil from adding a version here |
52
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DB; |
53
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105
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125
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@DB::args = (); |
54
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105
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718
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caller( $x++ ); |
55
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} |
56
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) { |
57
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58
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79
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65
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my @args; |
59
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60
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## no critic (Variables::ProhibitPackageVars) |
61
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79
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100
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174
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@args = $self->{no_args} ? () : @DB::args; |
62
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## use critic |
63
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64
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79
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164
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my $raw = { |
65
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caller => \@c, |
66
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args => \@args, |
67
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}; |
68
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69
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79
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50
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66
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171
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next if $filter && !$filter->($raw); |
70
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71
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79
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100
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1158
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unless ( $self->{unsafe_ref_capture} ) { |
72
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99
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100
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242
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$raw->{args} = [ map { ref $_ ? $self->_ref_to_string($_) : $_ } |
73
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73
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65
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@{ $raw->{args} } ]; |
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73
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123
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74
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} |
75
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76
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79
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104
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push @{ $self->{raw} }, $raw; |
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79
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250
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77
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} |
78
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} |
79
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80
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sub _ref_to_string { |
81
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12
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12
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13
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my $self = shift; |
82
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12
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10
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my $ref = shift; |
83
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84
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12
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50
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66
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140
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return overload::AddrRef($ref) |
85
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if blessed $ref && $ref->isa('Exception::Class::Base'); |
86
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87
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12
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100
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44
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return overload::AddrRef($ref) unless $self->{respect_overload}; |
88
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89
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## no critic (Variables::RequireInitializationForLocalVars) |
90
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2
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3
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local $@; |
91
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2
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5
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local $SIG{__DIE__}; |
92
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## use critic |
93
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94
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2
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3
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my $str = eval { $ref . q{} }; |
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2
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35
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95
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96
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2
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100
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13
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return $@ ? overload::AddrRef($ref) : $str; |
97
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} |
98
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99
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sub _make_frames { |
100
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28
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28
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26
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my $self = shift; |
101
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102
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28
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66
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111
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my $filter = !$self->{filter_frames_early} && $self->_make_frame_filter; |
103
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104
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28
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45
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my $raw = delete $self->{raw}; |
105
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28
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34
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for my $r ( @{$raw} ) { |
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28
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57
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106
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74
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100
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100
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183
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next if $filter && !$filter->($r); |
107
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108
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67
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139
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$self->_add_frame( $r->{caller}, $r->{args} ); |
109
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} |
110
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} |
111
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112
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my $default_filter = sub {1}; |
113
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114
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sub _make_frame_filter { |
115
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28
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28
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47
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my $self = shift; |
116
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117
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28
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23
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my ( @i_pack_re, %i_class ); |
118
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28
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100
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68
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if ( $self->{ignore_package} ) { |
119
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## no critic (Variables::RequireInitializationForLocalVars) |
120
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2
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3
|
local $@; |
121
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2
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7
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local $SIG{__DIE__}; |
122
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## use critic |
123
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124
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$self->{ignore_package} = [ $self->{ignore_package} ] |
125
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2
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50
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3
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unless eval { @{ $self->{ignore_package} } }; |
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2
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3
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2
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23
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126
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127
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|
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@i_pack_re |
128
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2
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100
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4
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= map { ref $_ ? $_ : qr/^\Q$_\E$/ } @{ $self->{ignore_package} }; |
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2
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24
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2
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4
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129
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} |
130
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131
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28
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35
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my $p = __PACKAGE__; |
132
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28
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326
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push @i_pack_re, qr/^\Q$p\E$/; |
133
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134
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28
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100
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71
|
if ( $self->{ignore_class} ) { |
135
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$self->{ignore_class} = [ $self->{ignore_class} ] |
136
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2
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50
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8
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unless ref $self->{ignore_class}; |
137
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2
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3
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%i_class = map { $_ => 1 } @{ $self->{ignore_class} }; |
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2
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7
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2
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4
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138
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} |
139
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140
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28
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37
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my $user_filter = $self->{frame_filter}; |
141
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142
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|
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return sub { |
143
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74
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100
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|
74
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|
86
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return 0 if grep { $_[0]{caller}[0] =~ /$_/ } @i_pack_re; |
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78
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349
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144
|
72
|
100
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197
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return 0 if grep { $_[0]{caller}[0]->isa($_) } keys %i_class; |
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6
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51
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145
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146
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68
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100
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110
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if ($user_filter) { |
147
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5
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13
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return $user_filter->( $_[0] ); |
148
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} |
149
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150
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63
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185
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return 1; |
151
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28
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187
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}; |
152
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} |
153
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154
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sub _add_frame { |
155
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67
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67
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68
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my $self = shift; |
156
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67
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59
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my $c = shift; |
157
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67
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67
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my $p = shift; |
158
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159
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|
# eval and is_require are only returned when applicable under 5.00503. |
160
|
67
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50
|
|
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130
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push @$c, ( undef, undef ) if scalar @$c == 6; |
161
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162
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67
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|
407
|
push @{ $self->{frames} }, |
163
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|
|
Devel::StackTrace::Frame->new( |
164
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$c, |
165
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|
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$p, |
166
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$self->{respect_overload}, |
167
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|
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$self->{max_arg_length}, |
168
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|
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$self->{message}, |
169
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|
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$self->{indent} |
170
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67
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63
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); |
171
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|
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} |
172
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173
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|
|
sub next_frame { |
174
|
13
|
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13
|
1
|
852
|
my $self = shift; |
175
|
|
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176
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|
|
# reset to top if necessary. |
177
|
13
|
100
|
|
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|
34
|
$self->{index} = -1 unless defined $self->{index}; |
178
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179
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13
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18
|
my @f = $self->frames; |
180
|
13
|
100
|
|
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|
29
|
if ( defined $f[ $self->{index} + 1 ] ) { |
181
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10
|
|
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20
|
return $f[ ++$self->{index} ]; |
182
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|
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|
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} |
183
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|
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else { |
184
|
3
|
|
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|
7
|
$self->{index} = undef; |
185
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|
|
## no critic (Subroutines::ProhibitExplicitReturnUndef) |
186
|
3
|
|
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|
6
|
return undef; |
187
|
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|
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} |
188
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|
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} |
189
|
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|
190
|
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|
|
sub prev_frame { |
191
|
9
|
|
|
9
|
1
|
38
|
my $self = shift; |
192
|
|
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|
193
|
9
|
|
|
|
|
16
|
my @f = $self->frames; |
194
|
|
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|
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|
195
|
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|
|
# reset to top if necessary. |
196
|
9
|
100
|
|
|
|
21
|
$self->{index} = scalar @f unless defined $self->{index}; |
197
|
|
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198
|
9
|
100
|
66
|
|
|
35
|
if ( defined $f[ $self->{index} - 1 ] && $self->{index} >= 1 ) { |
199
|
6
|
|
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|
|
13
|
return $f[ --$self->{index} ]; |
200
|
|
|
|
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|
|
} |
201
|
|
|
|
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|
|
else { |
202
|
|
|
|
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|
|
## no critic (Subroutines::ProhibitExplicitReturnUndef) |
203
|
3
|
|
|
|
|
4
|
$self->{index} = undef; |
204
|
3
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4
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return undef; |
205
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} |
206
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} |
207
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208
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sub reset_pointer { |
209
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1
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1
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1
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28
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my $self = shift; |
210
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211
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1
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3
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$self->{index} = undef; |
212
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213
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1
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2
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return; |
214
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} |
215
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216
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sub frames { |
217
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53
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53
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1
|
106
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my $self = shift; |
218
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219
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53
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100
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103
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if (@_) { |
220
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die |
221
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"Devel::StackTrace->frames can only take Devel::StackTrace::Frame args\n" |
222
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2
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50
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5
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if grep { !$_->isa('Devel::StackTrace::Frame') } @_; |
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3
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21
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223
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224
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2
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6
|
$self->{frames} = \@_; |
225
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2
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5
|
delete $self->{raw}; |
226
|
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} |
227
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else { |
228
|
51
|
100
|
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|
142
|
$self->_make_frames if $self->{raw}; |
229
|
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|
} |
230
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|
231
|
53
|
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|
124
|
return @{ $self->{frames} }; |
|
53
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|
127
|
|
232
|
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|
|
} |
233
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234
|
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|
|
sub frame { |
235
|
2
|
|
|
2
|
1
|
2
|
my $self = shift; |
236
|
2
|
|
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|
4
|
my $i = shift; |
237
|
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|
238
|
2
|
50
|
|
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|
6
|
return unless defined $i; |
239
|
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|
240
|
2
|
|
|
|
|
6
|
return ( $self->frames )[$i]; |
241
|
|
|
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|
|
|
} |
242
|
|
|
|
|
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|
|
243
|
|
|
|
|
|
|
sub frame_count { |
244
|
1
|
|
|
1
|
1
|
5
|
my $self = shift; |
245
|
|
|
|
|
|
|
|
246
|
1
|
|
|
|
|
3
|
return scalar( $self->frames ); |
247
|
|
|
|
|
|
|
} |
248
|
|
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|
|
249
|
|
|
|
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|
|
sub as_string { |
250
|
12
|
|
|
12
|
1
|
62
|
my $self = shift; |
251
|
12
|
|
|
|
|
13
|
my $p = shift; |
252
|
|
|
|
|
|
|
|
253
|
12
|
|
|
|
|
13
|
my $st = q{}; |
254
|
12
|
|
|
|
|
10
|
my $first = 1; |
255
|
12
|
|
|
|
|
30
|
foreach my $f ( $self->frames ) { |
256
|
30
|
|
|
|
|
73
|
$st .= $f->as_string( $first, $p ) . "\n"; |
257
|
30
|
|
|
|
|
45
|
$first = 0; |
258
|
|
|
|
|
|
|
} |
259
|
|
|
|
|
|
|
|
260
|
12
|
|
|
|
|
60
|
return $st; |
261
|
|
|
|
|
|
|
} |
262
|
|
|
|
|
|
|
|
263
|
|
|
|
|
|
|
{ |
264
|
|
|
|
|
|
|
## no critic (Modules::ProhibitMultiplePackages, ClassHierarchies::ProhibitExplicitISA) |
265
|
|
|
|
|
|
|
package # hide from PAUSE |
266
|
|
|
|
|
|
|
Devel::StackTraceFrame; |
267
|
|
|
|
|
|
|
|
268
|
|
|
|
|
|
|
our @ISA = 'Devel::StackTrace::Frame'; |
269
|
|
|
|
|
|
|
} |
270
|
|
|
|
|
|
|
|
271
|
|
|
|
|
|
|
1; |
272
|
|
|
|
|
|
|
|
273
|
|
|
|
|
|
|
# ABSTRACT: An object representing a stack trace |
274
|
|
|
|
|
|
|
|
275
|
|
|
|
|
|
|
__END__ |