line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
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package POE::Session::PlainCall; |
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3
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1649505
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use strict; |
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5
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227
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29
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use warnings; |
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164
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28
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use Carp; |
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5
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422
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7
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1058
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use POE; |
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71558
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5
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36
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8
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5
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122533
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use Scalar::Util qw( blessed ); |
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5
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996
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10
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require Exporter; |
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12
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our $VERSION = '0.0301'; |
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14
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15
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####################################### |
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our $POE_HOLDER; |
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$POE_HOLDER = bless [], 'POE::Session::PlainCall::Holder'; |
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19
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131
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131
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1
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42953
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sub poe () { $POE_HOLDER } |
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21
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####################################### |
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5
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5
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35
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use base qw( Exporter POE::Session ); |
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9
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5
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2618
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23
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24
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our %EXPORT_TAGS = ( 'all' => [ qw( $poe_kernel poe ) ] ); |
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26
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our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } ); |
27
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28
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our @EXPORT = qw( $poe_kernel poe ); |
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30
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####################################### |
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BEGIN { |
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5
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5
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17
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*SE_NAMESPACE = \&POE::Session::SE_NAMESPACE; |
33
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5
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11
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*SE_OPTIONS = \&POE::Session::SE_OPTIONS; |
34
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5
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10
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*SE_STATES = \&POE::Session::SE_STATES; |
35
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5
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50
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52
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if( POE::Session->can( 'SE_ID' ) ) { |
36
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# POE 1.300 + |
37
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5
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11
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*SE_ID = \&POE::Session::SE_ID; |
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5
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542
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eval ' |
39
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*SE_RUNNING = sub () { POE::Session::SE_ID+1 }; |
40
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*SE_MYSTATES = sub () { POE::Session::SE_ID+2 }; |
41
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'; |
42
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} |
43
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else { |
44
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# POE 1.299- |
45
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0
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0
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*SE_RUNNING = sub () { POE::Session::SE_STATES+1 }; |
46
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0
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0
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*SE_MYSTATES = sub () { POE::Session::SE_STATES+2 }; |
47
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} |
48
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49
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5
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19
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*EN_SIGNAL = \&POE::Session::EN_SIGNAL; |
50
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5
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47
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*EN_DEFAULT = \&POE::Session::EN_DEFAULT; |
51
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52
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5
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12
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*OPT_TRACE = \&POE::Session::OPT_TRACE; |
53
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5
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11
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*OPT_DEBUG = \&POE::Session::OPT_DEBUG; |
54
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5
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7955
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*OPT_DEFAULT = \&POE::Session::OPT_DEFAULT; |
55
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} |
56
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57
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############################################################################ |
58
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sub _loggable |
59
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{ |
60
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0
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0
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0
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my( $self ) = @_; |
61
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0
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0
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0
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return $self unless $self->[SE_RUNNING]; |
62
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0
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0
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$POE::Kernel::poe_kernel->_data_alias_loggable( $_[0] ); |
63
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} |
64
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65
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our %OURS; |
66
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sub instantiate |
67
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{ |
68
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6
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6
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1
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109
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my $self = shift->SUPER::instantiate( @_ ); |
69
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6
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50
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33
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117
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if( $self->[SE_RUNNING] or $self->[SE_MYSTATES] ) { |
70
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0
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0
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die "Definition of POE::Session changed! $self needs to be modified.\n"; |
71
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} |
72
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6
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21
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$self->__init; |
73
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6
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17
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return $self; |
74
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} |
75
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76
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sub __init |
77
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{ |
78
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6
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6
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22
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my( $self ) = @_; |
79
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6
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14
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$self->[SE_RUNNING] = 0; |
80
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# warn "keys = ", join ', ', keys %OURS; |
81
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6
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28
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$self->[SE_MYSTATES] = {%OURS}; |
82
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6
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50
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64
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$self->SUPER::__init if $self->can( 'SUPER::__init' ); |
83
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} |
84
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85
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####################################### |
86
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sub create |
87
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{ |
88
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6
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6
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1
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1100
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my( $package, @params ) = @_; |
89
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90
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6
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50
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27
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if (@params & 1) { |
91
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0
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0
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croak "odd number of events/handlers (missing one or the other?)"; |
92
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} |
93
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6
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34
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my %args = @params; |
94
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95
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6
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19
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my $obj = delete $args{object}; |
96
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6
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50
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34
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unless( $obj ) { |
97
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6
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20
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my $package = delete $args{package}; |
98
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6
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100
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35
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if( $package ) { |
99
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5
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20
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my $args = delete $args{ctor_args}; |
100
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5
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100
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98
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$args ||= []; |
101
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5
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34
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$obj = $package->new( @$args ); |
102
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} |
103
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} |
104
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105
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6
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100
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930
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if( $obj ) { |
106
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5
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66
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31
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my $events = delete $args{events} || |
107
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delete $args{states}; |
108
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5
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50
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18
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croak "Parameters 'events' or 'states' are required if you supply 'object' or 'package'" |
109
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unless defined $events; |
110
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5
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100
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27
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$args{object_states} ||= []; |
111
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5
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8
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push @{ $args{object_states} }, $obj, $events; |
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5
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22
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112
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} |
113
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114
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6
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38
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local %OURS; |
115
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6
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24
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$package->__process_args( \%args ); |
116
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# warn "keys = ", join ', ', keys %OURS; |
117
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118
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6
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66
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my $self = $package->SUPER::create( %args ); |
119
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6
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2094
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$self->[SE_RUNNING] = 1; |
120
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6
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103
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return $self; |
121
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} |
122
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123
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####################################### |
124
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## Find all state names and mark them as ours |
125
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sub __process_args |
126
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{ |
127
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6
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6
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13
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my( $package, $args ) = @_; |
128
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6
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13
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foreach my $f ( qw( package_states object_states ) ) { |
129
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12
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100
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38
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next unless $args->{$f}; |
130
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7
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12
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my $L = $args->{$f}; |
131
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7
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26
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for(my $off = 1; $off <= $#$L ; $off+=2 ) { |
132
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8
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20
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my $states = $args->{$f}[$off]; |
133
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8
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100
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53
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if( 'HASH' eq ref $states ) { |
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50
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134
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4
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20
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$package->__process_ours( keys %$states ); |
135
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} |
136
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elsif( 'ARRAY' eq ref $states ) { |
137
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4
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26
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$package->__process_ours( @$states ); |
138
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} |
139
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} |
140
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} |
141
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6
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100
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24
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return unless $args->{inline_states}; |
142
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1
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1
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$package->__process_ours( keys %{ $args->{inline_states} } ); |
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1
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4
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143
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} |
144
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145
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####################################### |
146
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sub __process_ours |
147
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{ |
148
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9
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9
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23
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my( $package, @list ) = @_; |
149
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# warn "OURS=", join ', ', @list; |
150
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9
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72
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@OURS{ @list } = (1) x (0+@list); |
151
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} |
152
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153
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####################################### |
154
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sub _invoke_state |
155
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{ |
156
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37
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37
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6271755
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my( $self, $source_session, $state, $etc, $file, $line, $fromstate ) = @_; |
157
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158
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37
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100
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100
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210
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unless( $self->[SE_MYSTATES]{$state} or $self->[SE_MYSTATES]{+EN_DEFAULT} ) { |
159
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5
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50
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21
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if ($self->[SE_OPTIONS]->{+OPT_TRACE}) { |
160
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0
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0
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POE::Kernel::_warn( $self->_loggable, |
161
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" -> $state (external event)\n" |
162
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); |
163
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} |
164
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## Skip out if it's not our state |
165
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5
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44
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return shift->SUPER::_invoke_state( @_ ); |
166
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} |
167
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168
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# Most of the following was lifted AS IS from POE::Session::_invoke_state |
169
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# and simply reformated because I'm a tad anal. |
170
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# But then, POE::Session overloading is like that... |
171
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172
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# Trace the state invocation if tracing is enabled. |
173
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174
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32
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50
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107
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if ($self->[SE_OPTIONS]->{+OPT_TRACE}) { |
175
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0
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0
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POE::Kernel::_warn( $self->_loggable, |
176
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" -> $state (from $file at $line)\n" |
177
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); |
178
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} |
179
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180
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# The desired destination state doesn't exist in this session. |
181
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# Attempt to redirect the state transition to _default. |
182
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183
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32
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100
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97
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unless (exists $self->[SE_STATES]->{$state}) { |
184
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185
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# There's no _default either; redirection's not happening today. |
186
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# Drop the state transition event on the floor, and optionally |
187
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# make some noise about it. |
188
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189
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2
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50
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9
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unless (exists $self->[SE_STATES]->{+EN_DEFAULT}) { |
190
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0
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0
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0
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$! = exists &Errno::ENOSYS ? &Errno::ENOSYS : &Errno::EIO; |
191
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0
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0
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0
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0
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if ($self->[SE_OPTIONS]->{+OPT_DEFAULT} and $state ne EN_SIGNAL) { |
192
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0
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0
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my $loggable_self = $self->_loggable; |
193
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0
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0
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POE::Kernel::_warn( |
194
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"a '$state' event was sent from $file at $line to $loggable_self ", |
195
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"but $loggable_self has neither a handler for it ", |
196
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"nor one for _default\n" |
197
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); |
198
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} |
199
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0
|
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0
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return undef; |
200
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} |
201
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202
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# If we get this far, then there's a _default state to redirect |
203
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# the transition to. Trace the redirection. |
204
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205
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2
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50
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8
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if ($self->[SE_OPTIONS]->{+OPT_TRACE}) { |
206
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0
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0
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POE::Kernel::_warn( $self->_loggable, |
207
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" -> $state redirected to _default\n" |
208
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); |
209
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} |
210
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211
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# Transmogrify the original state transition into a corresponding |
212
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# _default invocation. ARG1 is copied from $etc so it can't be |
213
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# altered from a distance. |
214
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215
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2
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7
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$etc = [ $state, [@$etc] ]; |
216
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2
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4
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$state = EN_DEFAULT; |
217
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} |
218
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219
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##### |
220
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## The following is unique/specific to POE::Session::PlainCall |
221
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222
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# If we get this far, then the state can be invoked. So invoke it |
223
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# already! |
224
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225
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# Inline states are invoked this way. |
226
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227
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32
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68
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my $handler = $self->[SE_STATES]->{$state}; |
228
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32
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100
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97
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if( ref $handler eq 'CODE') { |
229
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1
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158
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local $POE_HOLDER = bless [ |
230
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( undef, # object |
231
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$self, # session |
232
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$POE::Kernel::poe_kernel, # kernel |
233
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$self->[SE_NAMESPACE], # heap |
234
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$state, # state |
235
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$source_session, # sender |
236
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undef, # unused #6 |
237
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$file, # caller file name |
238
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$line, # caller file line |
239
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$fromstate, # caller state |
240
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undef, # method |
241
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$etc # args |
242
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) ], 'POE::Session::PlainCall::Holder'; |
243
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1
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6
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return $handler->( @$etc ); |
244
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} |
245
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246
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# Package and object states are invoked this way. |
247
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31
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40
|
my ($object, $method) = @{$handler}; |
|
31
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62
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248
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31
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244
|
local $POE_HOLDER = bless [ |
249
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( $object, # object |
250
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$self, # session |
251
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$POE::Kernel::poe_kernel, # kernel |
252
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$self->[SE_NAMESPACE], # heap |
253
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$state, # state |
254
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$source_session, # sender |
255
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undef, # unused #6 |
256
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$file, # caller file name |
257
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$line, # caller file line |
258
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$fromstate, # caller state |
259
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$method, # method |
260
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|
$etc, # args |
261
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|
|
) ], 'POE::Session::PlainCall::Holder'; |
262
|
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263
|
31
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163
|
return $object->$method( @$etc ); |
264
|
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265
|
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|
|
} |
266
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267
|
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|
####################################### |
268
|
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|
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|
|
sub _register_state |
269
|
|
|
|
|
|
|
{ |
270
|
34
|
|
|
34
|
|
18435
|
my( $self, $name, @definition ) = @_; |
271
|
34
|
100
|
|
|
|
109
|
if( $self->[SE_MYSTATES]{$name} ) { |
272
|
28
|
|
|
|
|
81
|
return $self->state( $name, @definition ); |
273
|
|
|
|
|
|
|
} |
274
|
|
|
|
|
|
|
else { |
275
|
|
|
|
|
|
|
# states created via POE::Kernel->state |
276
|
6
|
50
|
|
|
|
53
|
if( @definition ) { |
277
|
6
|
50
|
|
|
|
44
|
if ($self->[SE_OPTIONS]->{+OPT_TRACE}) { |
278
|
0
|
|
|
|
|
0
|
POE::Kernel::_warn( $self->_loggable, " -> $name is external\n" ); |
279
|
|
|
|
|
|
|
} |
280
|
|
|
|
|
|
|
} |
281
|
|
|
|
|
|
|
else { |
282
|
|
|
|
|
|
|
# just in case something strange happened |
283
|
0
|
|
|
|
|
0
|
delete $self->[SE_MYSTATES]{$name}; |
284
|
|
|
|
|
|
|
} |
285
|
6
|
|
|
|
|
110
|
$self->SUPER::_register_state( $name, @definition ); |
286
|
|
|
|
|
|
|
} |
287
|
|
|
|
|
|
|
} |
288
|
|
|
|
|
|
|
|
289
|
|
|
|
|
|
|
####################################### |
290
|
|
|
|
|
|
|
sub state |
291
|
|
|
|
|
|
|
{ |
292
|
30
|
|
|
30
|
1
|
57
|
my( $self, $name, @definition ) = @_; |
293
|
30
|
50
|
66
|
|
|
107
|
if( ! $self->[SE_MYSTATES]{$name} and |
294
|
|
|
|
|
|
|
$self->[SE_STATES]{$name} ) { |
295
|
0
|
|
|
|
|
0
|
croak "You may not redefine an event handler defined by a wheel or other external module."; |
296
|
|
|
|
|
|
|
} |
297
|
|
|
|
|
|
|
|
298
|
30
|
50
|
|
|
|
60
|
if( @definition ) { |
299
|
30
|
50
|
|
|
|
71
|
if ($self->[SE_OPTIONS]->{+OPT_TRACE}) { |
300
|
0
|
|
|
|
|
0
|
POE::Kernel::_warn( $self->_loggable, " -> $name is ours\n" ); |
301
|
|
|
|
|
|
|
} |
302
|
30
|
|
|
|
|
55
|
$self->[SE_MYSTATES]{$name} = 1; |
303
|
|
|
|
|
|
|
} |
304
|
|
|
|
|
|
|
else { |
305
|
0
|
|
|
|
|
0
|
delete $self->[SE_MYSTATES]{$name}; |
306
|
|
|
|
|
|
|
} |
307
|
30
|
|
|
|
|
138
|
$self->SUPER::_register_state( $name, @definition ); |
308
|
|
|
|
|
|
|
} |
309
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
############################################################################ |
311
|
|
|
|
|
|
|
package POE::Session::PlainCall::Holder; |
312
|
|
|
|
|
|
|
|
313
|
5
|
|
|
5
|
|
44
|
use strict; |
|
5
|
|
|
|
|
8
|
|
|
5
|
|
|
|
|
221
|
|
314
|
5
|
|
|
5
|
|
26
|
use warnings; |
|
5
|
|
|
|
|
25
|
|
|
5
|
|
|
|
|
275
|
|
315
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
# use POE::Session; |
317
|
5
|
|
|
5
|
|
39
|
use Scalar::Util qw( blessed ); |
|
5
|
|
|
|
|
7
|
|
|
5
|
|
|
|
|
2944
|
|
318
|
|
|
|
|
|
|
|
319
|
12
|
|
|
12
|
|
57
|
sub METHOD { POE::Session::ARG0 } |
320
|
2
|
|
|
2
|
|
7
|
sub ETC { POE::Session::ARG1 } |
321
|
|
|
|
|
|
|
|
322
|
1
|
|
|
1
|
|
15
|
sub object { $_[0]->[POE::Session::OBJECT] } |
323
|
1
|
50
|
|
1
|
|
2
|
sub package { my $r=$_[0]->[POE::Session::OBJECT]; blessed $r ? ref $r : $r } |
|
1
|
|
|
|
|
8
|
|
324
|
3
|
|
|
3
|
|
14
|
sub session { $_[0]->[POE::Session::SESSION] } |
325
|
37
|
|
|
37
|
|
207
|
sub kernel { $POE::Kernel::poe_kernel } |
326
|
0
|
|
|
0
|
|
0
|
sub heap { $_[0]->[POE::Session::HEAP] } |
327
|
14
|
|
|
14
|
|
90
|
sub state { $_[0]->[POE::Session::STATE] } |
328
|
2
|
|
|
2
|
|
14
|
sub event { $_[0]->[POE::Session::STATE] } |
329
|
12
|
|
|
12
|
|
43
|
sub method { $_[0]->[METHOD] } |
330
|
18
|
|
|
18
|
|
72
|
sub sender { $_[0]->[POE::Session::SENDER]->ID } |
331
|
10
|
|
|
10
|
|
74
|
sub SENDER () { $_[0]->[POE::Session::SENDER] } |
332
|
20
|
|
|
20
|
|
87
|
sub caller_file { $_[0]->[POE::Session::CALLER_FILE] } |
333
|
10
|
|
|
10
|
|
50
|
sub caller_line { $_[0]->[POE::Session::CALLER_LINE] } |
334
|
1
|
|
|
1
|
|
5
|
sub caller_state { $_[0]->[POE::Session::CALLER_STATE] } |
335
|
|
|
|
|
|
|
sub args { |
336
|
2
|
|
|
2
|
|
6
|
my $etc = $_[0]->[ETC]; |
337
|
2
|
100
|
|
|
|
11
|
return wantarray ? @$etc : [ @$etc ] |
338
|
|
|
|
|
|
|
} |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
|
341
|
|
|
|
|
|
|
# These would mess up ->caller_file and ->caller_line :-/ |
342
|
|
|
|
|
|
|
# sub post { shift->[KERNEL]->post( @_ ) } |
343
|
|
|
|
|
|
|
# sub call { shift->[KERNEL]->call( @_ ) } |
344
|
|
|
|
|
|
|
# sub yield { shift->[KERNEL]->yield( @_ ) } |
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
|
347
|
|
|
|
|
|
|
1; |
348
|
|
|
|
|
|
|
__END__ |