From: botp <botpena@...>
Date: 2008-08-02T01:05:08+09:00
Subject: Re: Get the caller of a class

On Fri, Aug 1, 2008 at 10:25 PM, Mario Ruiz <mario@betware.com> wrote:
> I know that way.... but I would like to know if it is possible to do it
> without passing the argument to the method. :)

try #caller

botp@jedi-hopeful:~$ qri caller
---------------------------------------------------------- Kernel#caller
     caller(start=1)    => array
------------------------------------------------------------------------
     Returns the current execution stack---an array containing strings
     in the form ``file:line'' or ``file:line: in `method'''. The
     optional start parameter determines the number of initial stack
     entries to omit from the result.

        def a(skip)
          caller(skip)
        end
        def b(skip)
          a(skip)
        end
        def c(skip)
          b(skip)
        end
        c(0)   #=> ["prog:2:in `a'", "prog:5:in `b'", "prog:8:in `c'",
"prog:10"]
        c(1)   #=> ["prog:5:in `b'", "prog:8:in `c'", "prog:11"]
        c(2)   #=> ["prog:8:in `c'", "prog:12"]
        c(3)   #=> ["prog:13"]

hth.
kind regards -botp