Method: AppMap::Event::MethodCall.build_from_invocation

Defined in:
lib/appmap/event.rb

.build_from_invocation(mc = MethodCall.new, defined_class, method, receiver, arguments) ⇒ Object 



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# File 'lib/appmap/event.rb', line 79

def build_from_invocation(mc = MethodCall.new, defined_class, method, receiver, arguments)
  mc.tap do
    static = receiver.is_a?(Module)
    mc.defined_class = defined_class
    mc.method_id = method.name.to_s
    if method.source_location
      path = method.source_location[0]
      path = path[Dir.pwd.length + 1..-1] if path.index(Dir.pwd) == 0
      mc.path = path
      mc.lineno = method.source_location[1]
    else
      mc.path = [ defined_class, static ? '.' : '#', method.name ].join
    end

    # 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 || {}

    mc.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: value.class.name,
        object_id: value.__id__,
        value: display_string(value),
        kind: param_type
      }
    end
    mc.receiver = {
      class: receiver.class.name,
      object_id: receiver.__id__,
      value: display_string(receiver)
    }
    mc.static = static
    MethodEvent.build_from_invocation(mc, :call)
  end
end