The method who_called() below will more or less do what you want. Caveats: Its not guaranteed to work. Read perlfunc::caller(). Note that there are some funky issues that mean you _cant_ reliable replace the overload::StrVal calls with plain old reference stringification. 
package NewObj;
sub new { return bless {},$_[0] };

package Foo;
our @ISA=qw(NewObj);
sub call_bar {
  my ($self,$bar)=@_;
  $bar->who_called;
}

package Bar;
use strict;
use warnings;

use overload; #VITAL!

our @ISA=qw(NewObj);
sub who_called {
  my ($self)=@_;
  package DB;
  unless (my (undef,undef,undef,$sub)=caller(1)) {
      print "Called from main\n";
  } else {
    print "Called from $sub\n";
    if (ref($DB::args[0]) and overload::StrVal($DB::args[0])=~/=/) {
        
        print "\tWhich is a method that was invoked on ".overload::Str
+Val($DB::args[0])."\n";
    } else {
        print "@DB::args";
    }
  }
}

package main;

my $obj1=Foo->new();
my $obj2=Bar->new();
print "OBJ1 (Foo) : ".overload::StrVal($obj1)."\n"
$obj1->call_bar($obj2);

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HTH

--- demerphq
my friends call me, usually because I'm late....

In reply to Re: How can I find the calling object? by demerphq
in thread How can I find the calling object? by strider corinth

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