Class: AppMap::Event::MethodCall

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

Direct Known Subclasses

Handler::Rails::SQLHandler::SQLCall

Defined Under Namespace

Classes: MethodMetadata

Constant Summary collapse

@@method_metadata = 
{}

Constants inherited from MethodEvent

AppMap::Event::MethodEvent::LIMIT

Instance Attribute Summary collapse

Attributes inherited from MethodEventStruct

#event, #id, #thread_id

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from MethodEvent

best_class_name, custom_display_string, default_display_string, display_string, encode_display_string, object_properties, #ready?

Instance Attribute Details

#defined_class ⇒ Object

Returns the value of attribute defined_class.



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# File 'lib/appmap/event.rb', line 141

def defined_class
  @defined_class
end

#lineno ⇒ Object

Returns the value of attribute lineno.



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# File 'lib/appmap/event.rb', line 141

def lineno
  @lineno
end

#method_id ⇒ Object

Returns the value of attribute method_id.



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# File 'lib/appmap/event.rb', line 141

def method_id
  @method_id
end

#parameters ⇒ Object

Returns the value of attribute parameters.



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# File 'lib/appmap/event.rb', line 141

def parameters
  @parameters
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/appmap/event.rb', line 141

def path
  @path
end

#receiver ⇒ Object

Returns the value of attribute receiver.



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# File 'lib/appmap/event.rb', line 141

def receiver
  @receiver
end

#static ⇒ Object Also known as: static?

Returns the value of attribute static.



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# File 'lib/appmap/event.rb', line 141

def static
  @static
end

Class Method Details

.build_from_invocation(defined_class, method, receiver, arguments, event: MethodCall.new) ⇒ Object 



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# File 'lib/appmap/event.rb', line 171

def build_from_invocation(defined_class, method, receiver, arguments, event: MethodCall.new)
  event ||= MethodCall.new
  defined_class ||= 'Class'

  event.tap do
    metadata = method_metadata(defined_class, method, receiver)

    event.defined_class = metadata.defined_class
    event.method_id = metadata.method_id
    event.path = metadata.path
    event.lineno = metadata.lineno
    event.static = metadata.static

    # Check if the method has key parameters. If there are any they'll always be last.
    # If yes, then extract it from arguments.
    has_key = [[:dummy], *method.parameters].last.first.to_s.start_with?('key') && arguments[-1].is_a?(Hash)
    kwargs = has_key && arguments[-1].dup || {}

    event.parameters = method.parameters.map.with_index do |method_param, idx|
      param_type, param_name = method_param
      param_name ||= 'arg'
      value = case param_type
        when :keyrest
          kwargs
        when /^key/
          kwargs.delete param_name
        when :rest
          arguments[idx..(has_key ? -2 : -1)]
        else
          arguments[idx]
        end
      {
        name: param_name,
        class: best_class_name(value),
        object_id: value.__id__,
        value: display_string(value),
        kind: param_type
      }
    end
    event.receiver = {
      class: best_class_name(receiver),
      object_id: receiver.__id__,
      value: display_string(receiver)
    }

    MethodEvent.build_from_invocation(:call, event: event)
  end
end

Instance Method Details

#to_h ⇒ Object 



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# File 'lib/appmap/event.rb', line 221

def to_h
  super.tap do |h|
    h[:defined_class] = defined_class
    h[:method_id] = method_id
    h[:path] = path
    h[:lineno] = lineno
    h[:static] = static
    h[:parameters] = parameters
    h[:receiver] = receiver
    h.delete_if { |_, v| v.nil? }
  end
end