Hi,

In message "[ruby-talk:16864] Re: Writting a profiler / line coverager / debugger for ruby"
    on 01/06/26, Dave Thomas <Dave / PragmaticProgrammer.com> writes:

|> I just looked in the ruby reference and didn't find something like the
|> "trace" callback in python. Is it possible to specify a function that
|> will be called after every ruby statement.
|
|It's called "set_trace_func", in the Kernel module
|
|   http://www.rubycentral.com/book/ref_m_kernel.html#set_trace_func

And it may be useful to check out debug.rb (debugger), profile.rb
(profiler), tracer.rb (function tracer) in the lib directory.

							matz.