Class: RubyModKit::Feature::Type::TypeAttrMission

Inherits:
Mission
  • Object
show all
Defined in:
lib/ruby_mod_kit/feature/type/type_attr_mission.rb

Overview

The mission for parameter attributes

Instance Method Summary collapse

Constructor Details

#initializevoid

rbs:

  • return: void



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# File 'lib/ruby_mod_kit/feature/type/type_attr_mission.rb', line 14

def initialize
  super
  @modified = false
end

Instance Method Details

#perform(generation) ⇒ Boolean

Parameters:

Returns:

  • (Boolean)

rbs:

  • generation: Generation

  • return: bool



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# File 'lib/ruby_mod_kit/feature/type/type_attr_mission.rb', line 23

def perform(generation)
  return true if @modified

  generation.memo_pad.def_parents_memo.each_value do |def_parent_memo|
    attr_adding_line = 0
    ivars_memo = def_parent_memo.ivars_memo.dup
    def_parent_node = generation.root_node.def_parent_node_at(def_parent_memo.offset)
    raise(RubyModKit::Error) unless def_parent_node

    ivars_memo.keep_if { |_, ivar_memo| ivar_memo.attr_kind }
    next if ivars_memo.empty?

    if attr_adding_line == 0
      attr_adding_line = def_parent_node.location.start_line
      attr_adding_line += 1 while generation.line(attr_adding_line) =~ /\A\s*#.*|\A$/
    end
    line = generation.line(attr_adding_line) || next
    add_separator_line = line != "\n" && line !~ /\A\s*end$/
    offset = generation.line_offset(attr_adding_line) || next

    body_node = def_parent_node.body_node
    if body_node
      first_line = generation.line(body_node)
      indent = first_line[/\A\s*/] || raise(RubyModKit::Error)
    else
      def_parent_line = generation.line(def_parent_node)
      indent = "  #{def_parent_line[/\A\s*/]}"
      generation[offset, 0] = "\n"
    end

    ivars_memo.each do |name, ivar_memo|
      attr = ivar_memo.attr_kind
      attr = "#{ivar_memo.visibility} #{attr}" if ivar_memo.visibility
      generation[offset, 0] = "#{indent}#{attr} :#{name}\n"
    end
    @modified = true
    generation[offset, 0] = "\n" if add_separator_line
  end
  !@modified
end