Module: Inspectable

Included in:
AnythingPattern, CyclicPattern, DisjunctionPattern, JsonType, ObjectMembersValidation, UniformArrayPattern, Validation, ValidationFailure
Defined in:
lib/json_patterns.rb

Overview

because overriding #to_s unfortunately wipes out #inspect

Constant Summary collapse

INSPECTING_KEY = 
('Inspectable::' + '%016x' % rand(2**64)).to_sym

Instance Method Summary collapse

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/json_patterns.rb', line 31

def inspect
  Thread.current[INSPECTING_KEY] ||= {}

  object_desc = "#{self.class}:0x#{(object_id << 1).to_s(16)}"

  if Thread.current[INSPECTING_KEY][self]
    attributes_desc = ' ...'
  else
    Thread.current[INSPECTING_KEY][self] = true

    begin
      attributes_desc = self.instance_variables.map { |v|
        " #{v.to_s}=#{instance_variable_get(v).inspect}"
      }.join
    ensure
      Thread.current[INSPECTING_KEY].delete(self)
    end
  end

  return "#<#{object_desc}#{attributes_desc}>"
end