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Man Pages


Manual Reference Pages  -  DEVEL::CALLER (3)

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NAME

Devel::Caller - meatier versions of "caller"

CONTENTS

SYNOPSIS



 use Devel::Caller qw(caller_cv);
 $foo = sub { print "huzzah\n" if $foo == caller_cv(0) };
 $foo->();  # prints huzzah

 use Devel::Caller qw(called_with);
 sub foo { print called_with(0,1); }
 foo( my @foo ); # should print @foo



DESCRIPTION

caller_cv($level) caller_cv gives you the coderef of the subroutine being invoked at the call frame indicated by the value of $level
caller_args($level) Returns the arguments passed into the caller at level $level
caller_vars( $level, $names ) =item called_with($level, $names) called_with returns a list of references to the original arguments to the subroutine at $level. if $names is true, the names of the variables will be returned instead

constants are returned as undef in both cases

called_as_method($level) called_as_method returns true if the subroutine at $level was called as a method.

BUGS

All of these routines are susceptible to the same limitations as caller as described in caller in perlfunc

The deparsing of the optree perfomed by called_with is fairly simple-minded and so a bit flaky.
o As a version 2.0 of Devel::Caller we no longer maintain compatibility with versions of perl earlier than 5.8.2. Older versions continue to be available from CPAN and backpan.

SEE ALSO

caller in perlfunc, PadWalker, Devel::Peek

AUTHOR

Richard Clamp <richardc@unixbeard.net> with close reference to PadWalker by Robin Houston

COPYRIGHT

Copyright (c) 2002, 2003, 2006, 2007, 2008, 2010, 2013 Richard Clamp. All Rights Reserved.

This module is free software. It may be used, redistributed and/or modified under the same terms as Perl itself.

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perl v5.20.3 DEVEL::CALLER (3) 2013-01-16

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