From: Daniel Lucraft <dan@...>
Date: 2007-07-17T01:02:34+09:00
Subject: Re: Accessing the name of the current function

Ronald Fischer wrote:
> Is there away to access the name of the currently defined function?
> Example: Right now I do tracing like this:
> 
> def myfunc(a,b)
>   trace.debug "ENTER myfunc a=#{a} b=#{b}"
>   ....
>   trace.debug "LEAVE myfunc result=#{result}"
>   result
> end
> 
> If I rename myfunc, I also have to change the word myfunc in the
> trace statements. It would be convenient to have something like
> 
>   trace.debug "ENTER #{__function__} a=#{a} b=#{b}"
> 
> Maybe Ruby already provides such a feature, and I just don't know it...
> 
> Ronald

Include this somewhere:

class Object
  def current_method
    caller[0] =~ /\d:in `([^']+)'/
    $1
  end
end

Then use it:

def abc
  puts "ENTERING: #{current_method}"
  ...
end

Gives: "ENTERING abc"

best,
Dan

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