Class: AppMap::Event::MethodEvent

Inherits:
MethodEventStruct show all
Defined in:
lib/appmap/event.rb

Direct Known Subclasses

MethodCall, MethodReturnIgnoreValue

Constant Summary collapse

LIMIT = 
100

Instance Attribute Summary

Attributes inherited from MethodEventStruct

#event, #id, #thread_id

Class Method Summary collapse

Class Method Details

.build_from_invocation(me, event_type) ⇒ Object 



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# File 'lib/appmap/event.rb', line 24

def build_from_invocation(me, event_type)
  me.id = AppMap::Event.next_id_counter
  me.event = event_type
  me.thread_id = Thread.current.object_id
end

.display_string(value) ⇒ Object

Gets a display string for a value. This is not meant to be a machine deserializable value.



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# File 'lib/appmap/event.rb', line 31

def display_string(value)
  return nil unless value

  last_resort_string = lambda do
    warn "AppMap encountered an error inspecting a #{value.class.name}: #{$!.message}"
    '*Error inspecting variable*'
  end

  value_string = \
    begin
      value.to_s
    rescue NoMethodError
      begin
        value.inspect
      rescue StandardError
        last_resort_string.call
      end
    rescue StandardError
      last_resort_string.call
    end

  (value_string||'')[0...LIMIT].encode('utf-8', invalid: :replace, undef: :replace, replace: '_')
end