#!/usr/bin/env ruby

# Global methods temporaryly used for debugging.
# Inspired by the book
# "Programmieren mit Ruby" by Röhrl/Schmiedl/Weyss"

def beginTrace
  $stderr.puts "Begin Trace in: #{caller.first}"
  set_trace_func proc {
    |event, file, line, id, binding, classname|
    unless File.basename(file) == 'mydebug.rb'
      $stderr.printf("%8s %s-, %-2d %10s %8s\n",
       event, file, line, id, classname)
    end
  }
end

def endTrace
  $stderr.set_trace_func(nil)
  puts "End Trace in: #{caller.first}"
end