TracePoint wrapper for rails initializer

trace.rb

IGNORED_METHODS = [:visit_descendant_selector, :start_mapping, :end_mapping, :start_sequence, :end_sequence]
PRINT_PARAMS = false

trace = TracePoint.new(:call) do |tp|
  #puts tp.methods-Object.methods
  #exit

  next if tp.path =~ /.rvm/
  next if IGNORED_METHODS.include? tp.method_id 

  puts "======== #{tp.path}"
  puts "===================== #{tp.self.class}##{tp.method_id}"

  #puts "===================== #{tp.callee_id} ====================="
  #puts "defined class => #{tp.defined_class}"

  if PRINT_PARAMS
    b_self = tp.binding.eval('self')
    names = b_self.method(tp.method_id).parameters.map(&:last)
    values = names.map { |name| tp.binding.eval(name.to_s) }
    p names.zip(values)
  end
end

#trace.enable