Class: GObjectIntrospection::Loader::Invoker

Inherits:
Object
  • Object
show all
Defined in:
lib/gobject-introspection/loader.rb

Instance Method Summary collapse

Constructor Details

#initialize(info, method_name, full_method_name) ⇒ Invoker

Returns a new instance of Invoker.



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# File 'lib/gobject-introspection/loader.rb', line 694

def initialize(info, method_name, full_method_name)
  @info = info
  @method_name = method_name
  @full_method_name = full_method_name
  @prepared = false
  ensure_prepared if defined?(Ractor)
end

Instance Method Details

#invoke(receiver, arguments, block, abort_tag: nil, implementor_gtype: nil) ⇒ Object 



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# File 'lib/gobject-introspection/loader.rb', line 702

def invoke(receiver, arguments, block,
           abort_tag: nil,
           implementor_gtype: nil)
  ensure_prepared

  if receiver and @info.class == FunctionInfo
    arguments.unshift(receiver)
  end

  arguments, block = build(receiver, arguments, block)
  if wrong_number_of_arguments?(arguments)
    if abort_tag
      throw(abort_tag)
    else
      raise ArgumentError, invalid_error_message(arguments)
    end
  end
  unless normalize_arguments!(arguments, abort_tag)
    return @value_on_invalid
  end

  if block.nil? and @require_callback_p
    receiver.to_enum(@method_name, *arguments)
  else
    if @info.class == VFuncInfo
      return_value = @info.invoke(implementor_gtype,
                                  receiver,
                                  arguments,
                                  &block)
    elsif @info.class == FunctionInfo
      return_value = @info.invoke(arguments, &block)
    else
      return_value = @info.invoke(receiver, arguments, &block)
    end
    if @have_return_value_p
      return_value
    else
      receiver
    end
  end
end

#match?(receiver, arguments, block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gobject-introspection/loader.rb', line 744

def match?(receiver, arguments, block)
  ensure_prepared

  arguments = arguments.dup
  if receiver and @info.class == FunctionInfo
    arguments.unshift(receiver)
  end

  arguments, _block = build(receiver, arguments, block)
  return false if wrong_number_of_arguments?(arguments)
  arguments.each_with_index.all? do |argument, i|
    if argument.nil?
      @in_arg_nils[i]
    else
      @in_arg_types[i].match?(argument)
    end
  end
end

#signature ⇒ Object 



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# File 'lib/gobject-introspection/loader.rb', line 763

def signature
  ensure_prepared
  argument_signatures = @in_args.collect(&:signature)
  "(" + argument_signatures.join(", ") + ")"
end