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package Devel::Caller::IgnoreNamespaces; |
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use strict; |
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use warnings; |
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use vars qw(@NAMESPACES $VERSION); |
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$VERSION = '1.0'; |
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sub register { push @NAMESPACES, @_; } |
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*CORE::GLOBAL::caller = sub (;$) { |
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my ($height) = ($_[0]||0); |
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my $i=1; |
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my $name_cache; |
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while (1) { |
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my @caller = CORE::caller($i++) or return; |
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$caller[3] = $name_cache if $name_cache; |
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$name_cache = (grep { $caller[0] eq $_ } @NAMESPACES) # <-- !!!! |
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? $caller[3] |
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: ''; |
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next if $name_cache || $height-- != 0; |
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return wantarray ? @_ ? @caller : @caller[0..2] : $caller[0]; |
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} |
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}; |
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1; |
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=head1 NAME |
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Devel::Caller::IgnoreNamespaces - make available a magic caller() |
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which can ignore namespaces that you tell it about |
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=head1 SYNOPSIS |
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package Foo::Bar |
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use Devel::Caller::IgnoreNamespaces; |
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Devel::Caller::IgnoreNamespaces::register(__PACKAGE__); |
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=head1 DESCRIPTION |
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If your module should be ignored by caller(), just like Hook::LexWrap |
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is by its magic caller(), then call this module's register() subroutine |
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with its name. |
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=head1 SUBROUTINES |
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=head2 register('packagename', 'anotherpackage', ...) |
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Takes a list of packages that caller() will ignore in future. |
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=head1 BUGS and FEEDBACK |
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Please report any bugs using L. The best bug |
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reports include a file with a test in it that fails with the current |
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code and will pass once the bug is fixed. |
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I welcome feedback, especially constructive criticism, by email. |
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Feature requests are more likely to be accepted if accompanied by a |
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patch and tests. |
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=head1 AUTHORS, COPYRIGHT and LICENCE |
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This module is maintained by David Cantrell Edavid@cantrell.org.ukE |
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and based almost entirely on code by Damian Conway. |
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Copyright 2001-2008 Damian Conway |
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Documentation and tests and some code copyright 2009 David Cantrell |
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You may use, modify and distribute this code under either the Artistic |
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Licence or the GNU GPL version 2. See the ARTISTIC.txt or GPL2.txt files |
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for the full texts of the licences. |
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=cut |