From: Robert Klemme <bob.news@...>
Date: 2004-05-07T17:43:56+09:00
Subject: Re: use the ruby's stack for security


"guillaume.dorchies" <guillaume.dorchies@wanadoo.fr> schrieb im
Newsbeitrag news:pan.2004.05.06.20.54.38.101864@wanadoo.fr...
> Hello,
>
> I need to play with the internal stack of the interpreter like this
>
> class A
>   def foo2
>     C.new.foo
>   end
> end
>
> class B
>   def foo2
>     C.new.foo
>   end
> end
>
> class C
>   def foo
>     klass=who_is_calling_me
>     if klass == A
>        puts 'GOOD'
>     elsif klass == B
>        puts 'BAD'
>     end
>   end
> end
>
> and now I want
>
> A.new.foo2
> >GOOD
> B.new.foo2
> >BAD
>
> the method who_is_calling_me must use the internal stack but how ???
here
> I use one level but in a real case there is a lot of levels
> I can't send this information via call to method
>
> I need this mechanisme to implement a security system.
> A logon session have all the informations for the security and all the
> objects called by the loggon session can use this informations to check
> security
>
> Anybody have an idea or it's impossible

Either you can use caller or you use set_trace_func to remember the stack.

    robert